You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@airflow.apache.org by vi...@apache.org on 2026/04/29 13:01:47 UTC

(airflow) branch main updated: refactor: DAG to Dag in document (#66088)

This is an automated email from the ASF dual-hosted git repository.

vincbeck pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/airflow.git


The following commit(s) were added to refs/heads/main by this push:
     new c7afee451a6 refactor: DAG to Dag in document (#66088)
c7afee451a6 is described below

commit c7afee451a6265b48324a6c69277a2d2f54df275
Author: hojeong park <pa...@gmail.com>
AuthorDate: Wed Apr 29 22:01:40 2026 +0900

    refactor: DAG to Dag in document (#66088)
---
 AGENTS.md                           |  2 +-
 dev/AIRFLOW_ERROR_GUIDE.md          | 46 ++++++++++++++++++-------------------
 dev/README_RELEASE_PYTHON_CLIENT.md |  2 +-
 dev/breeze/doc/05_test_commands.rst |  4 ++--
 4 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/AGENTS.md b/AGENTS.md
index 22ca4d1c79b..8aeb5e0c601 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -144,7 +144,7 @@ Write commit messages focused on user impact, not implementation details.
 
 - **Good:** `Fix airflow dags test command failure without serialized Dags`
 - **Good:** `UI: Fix Grid view not refreshing after task actions`
-- **Bad:** `Initialize DAG bundles in CLI get_dag function`
+- **Bad:** `Initialize Dag bundles in CLI get_dag function`
 
 For `airflow-core` (and `chart/`, `dev/mypy/`) user-visible changes, add a newsfragment in that distribution's `newsfragments/` directory:
 `echo "Brief description" > airflow-core/newsfragments/{PR_NUMBER}.{bugfix|feature|improvement|doc|misc|significant}.rst`
diff --git a/dev/AIRFLOW_ERROR_GUIDE.md b/dev/AIRFLOW_ERROR_GUIDE.md
index da45aa8df1a..7de04004715 100644
--- a/dev/AIRFLOW_ERROR_GUIDE.md
+++ b/dev/AIRFLOW_ERROR_GUIDE.md
@@ -30,49 +30,49 @@
 |Error Code|       Exception Type       |                         User-facing Error Message                         |                                                 Description                                                 |                                                                                      First Steps                                                                                      |                                                  Documentation                   [...]
 |----------|----------------------------|---------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------- [...]
 |  AERR001 |      AirflowException      |                    Dynamic task mapping exceeded limit                    |              Happens when dynamically mapped tasks exceed the maximum number of tasks allowed.              |                                 Check the task count limit in the configuration. Consider increasing the task limit or optimizing task mapping logic.                                 |            https://airflow.apache.org/docs/apache-airflow/stable/concepts/dynami [...]
-|  AERR002 |      AirflowException      |                          Task instance not found                          |            Happens when the scheduler or webserver cannot locate a task instance in the database.           |                       Verify that the database connection is stable. Check if the task instances exist in the metadata database and consider re-running the DAG.                      |            https://airflow.apache.org/docs/apache-airflow/stable/administration/ [...]
+|  AERR002 |      AirflowException      |                          Task instance not found                          |            Happens when the scheduler or webserver cannot locate a task instance in the database.           |                       Verify that the database connection is stable. Check if the task instances exist in the metadata database and consider re-running the Dag.                      |            https://airflow.apache.org/docs/apache-airflow/stable/administration/ [...]
 |  AERR003 |      AirflowException      |                          Task is in 'None' state                          |   Indicates a task instance has not been assigned a proper state, often due to missing execution context.   |                         Ensure that the task is correctly configured and the execution context is provided, especially for dynamic tasks or task dependencies.                        |          https://airflow.apache.org/docs/apache-airflow/stable/concepts/dag-run. [...]
 |  AERR004 |  AirflowWebServerException |                         Webserver 502 Bad Gateway                         |            Triggered when the webserver encounters an upstream issue or fails to proxy requests.            |                          Check the webserver logs for more details. Ensure all upstream systems are working properly, and restart the webserver if necessary.                         |              https://airflow.apache.org/docs/apache-airflow/stable/webserver.htm [...]
 |  AERR005 |          KeyError          |                       KeyError in Variable retrieval                      |               Occurs when a requested Airflow Variable is not found in the metadata database.               |              Check if the Airflow variable exists. Ensure the correct database is used, and verify if the Airflow variable is defined in the Airflow UI or through code.              |                  https://airflow.apache.org/docs/apache-airflow/stable/concepts/ [...]
 |  AERR006 |       PermissionError      |                         Access denied for SSH hook                        |               Triggered when the SSH hook cannot authenticate or connect to the target server.              |                  Verify the SSH credentials and network access to the target server. Test the connection using a manual SSH client before troubleshooting in Airflow.                 |                  https://airflow.apache.org/docs/apache-airflow/stable/howto/ope [...]
-|  AERR007 |    AirflowXComException    |                    TaskInstance not recognized in XCom                    |              Happens when a task's XCom entry is missing or corrupted in the metadata database.             |                Check if the XCom data is being pushed correctly. Inspect the DAG code for issues in data push logic, and consider clearing any corrupted XCom entries.                |                    https://airflow.apache.org/docs/apache-airflow/stable/concept [...]
-|  AERR008 |  AirflowDatabaseException  |                       Duplicate XCom entry detected                       |            Occurs when the same XCom key-value pair is inserted multiple times into the database.           |                          Ensure that the XCom key-value pair is unique for each task. Modify the DAG logic to avoid reusing keys or overwriting XCom entries.                         |        https://airflow.apache.org/docs/apache-airflow/stable/concepts/xcoms.html [...]
+|  AERR007 |    AirflowXComException    |                    TaskInstance not recognized in XCom                    |              Happens when a task's XCom entry is missing or corrupted in the metadata database.             |                Check if the XCom data is being pushed correctly. Inspect the Dag code for issues in data push logic, and consider clearing any corrupted XCom entries.                |                    https://airflow.apache.org/docs/apache-airflow/stable/concept [...]
+|  AERR008 |  AirflowDatabaseException  |                       Duplicate XCom entry detected                       |            Occurs when the same XCom key-value pair is inserted multiple times into the database.           |                          Ensure that the XCom key-value pair is unique for each task. Modify the Dag logic to avoid reusing keys or overwriting XCom entries.                         |        https://airflow.apache.org/docs/apache-airflow/stable/concepts/xcoms.html [...]
 |  AERR009 |  AirflowDatabaseException  |                      Error creating database session                      |                         Triggered when Airflow cannot create a new database session.                        |                  Check the database connection settings and ensure the database is running. Verify user permissions and the number of concurrent connections allowed.                 |                https://airflow.apache.org/docs/apache-airflow/stable/howto/set-u [...]
-|  AERR010 |   AirflowConfigException   |           Strict validation in Dataset URI breaks existing DAGs           |   Happens when a dataset URI is not compliant with stricter validation rules introduced in newer versions.  |                          Review the dataset URI format for compliance with new validation rules. Update the URI if necessary to meet the required standards.                          |               https://airflow.apache.org/docs/apache-airflow/stable/datasets.htm [...]
+|  AERR010 |   AirflowConfigException   |           Strict validation in Dataset URI breaks existing Dags           |   Happens when a dataset URI is not compliant with stricter validation rules introduced in newer versions.  |                          Review the dataset URI format for compliance with new validation rules. Update the URI if necessary to meet the required standards.                          |               https://airflow.apache.org/docs/apache-airflow/stable/datasets.htm [...]
 |  AERR011 |      AirflowException      |                  Failed to upload logs to remote storage                  |              Occurs when Airflow cannot push task logs to a configured remote storage backend.              |                       Check the configuration for the remote storage backend. Ensure that the connection credentials are correct and the backend is accessible.                       |                https://airflow.apache.org/docs/apache-airflow/stable/logging.htm [...]
 |  AERR012 |  AirflowDatabaseException  |                     Cannot connect to airflow database                    |          Happens when the metadata database is unreachable due to network or configuration issues.          |                          Verify the network connection to the metadata database and check for any misconfigurations. Restart Airflow components if necessary.                         |           https://airflow.apache.org/docs/apache-airflow/stable/administration/m [...]
 |  AERR013 |          KeyError          |                     KeyError in retrieving XCom value                     |                   Occurs when a requested XCom value is not found or incorrectly defined.                   |                         Ensure the XCom key and value are properly defined and passed between tasks. Double-check task execution order and parameter passing.                         |       https://airflow.apache.org/docs/apache-airflow/stable/concepts/xcoms.html# [...]
 |  AERR014 |         ImportError        |                 Missing dependency for KubernetesExecutor                 |             Occurs when the required dependencies for the KubernetesExecutor are not installed.             |               Verify that all required dependencies for the KubernetesExecutor are installed. Use `pip` or your environment management tool to install missing packages.              |       https://airflow.apache.org/docs/apache-airflow/stable/executors/kubernetes [...]
-|  AERR015 |  AirflowDagPausedException |                       DAG is paused and not running                       |                  Indicates the DAG is manually paused and will not trigger scheduled runs.                  |                                  Check the DAG status in the Airflow UI and unpause the DAG if needed. Verify the DAG configuration and dependencies.                                 |                 https://airflow.apache.org/docs/apache-airflow/stable/dag-run.ht [...]
-|  AERR016 |     AirflowTaskTimeout     |                    Task execution delayed indefinitely                    |                  Happens when a task does not start execution within the specified timeout.                 |                         Review the task timeout settings in the DAG configuration. Increase the timeout if necessary and check for system performance issues.                         |              https://airflow.apache.org/docs/apache-airflow/stable/concepts/oper [...]
+|  AERR015 |  AirflowDagPausedException |                       Dag is paused and not running                       |                  Indicates the Dag is manually paused and will not trigger scheduled runs.                  |                                  Check the Dag status in the Airflow UI and unpause the Dag if needed. Verify the Dag configuration and dependencies.                                 |                 https://airflow.apache.org/docs/apache-airflow/stable/dag-run.ht [...]
+|  AERR016 |     AirflowTaskTimeout     |                    Task execution delayed indefinitely                    |                  Happens when a task does not start execution within the specified timeout.                 |                         Review the task timeout settings in the Dag configuration. Increase the timeout if necessary and check for system performance issues.                         |              https://airflow.apache.org/docs/apache-airflow/stable/concepts/oper [...]
 |  AERR017 |   AirflowConfigException   |                         Can't find executor class                         |        Happens when the executor specified in the configuration file is not recognized or available.        |                     Verify the executor configuration in the `airflow.cfg` file. Ensure the specified executor is installed and supported by your Airflow version.                    |                   https://airflow.apache.org/docs/apache-airflow/stable/executor [...]
 |  AERR018 |   AirflowConfigException   |                     Invalid value in airflow.cfg file                     |                     Triggered when airflow.cfg contains an invalid or unsupported value.                    |                          Review the `airflow.cfg` configuration file for errors or unsupported values. Consult the Airflow documentation for valid settings.                          |                  https://airflow.apache.org/docs/apache-airflow/stable/configura [...]
 |  AERR019 |     AirflowCliException    |                     Airflow CLI authentication failed                     |                    Occurs when CLI commands cannot authenticate with the Airflow backend.                   |               Check if the Airflow CLI has the proper credentials to access the backend. Ensure the correct connection configurations and environment variables are set.              |           https://airflow.apache.org/docs/apache-airflow/stable/cli-and-commands [...]
 |  AERR020 |   AirflowTriggerException  |                       Error triggering external API                       |                         Happens when a trigger for an external API fails to execute.                        |                            Check the API endpoint and ensure it is reachable. Review the Airflow logs to see if there is an error in the API trigger logic.                           |             https://airflow.apache.org/docs/apache-airflow/stable/howto/operator [...]
 |  AERR021 |  AirflowDatabaseException  |                         Database deadlock detected                        |                Occurs when multiple processes are locked in conflicting database operations.                |                     Investigate the database for any deadlocks or conflicting operations. Optimize queries or increase database capacity to avoid locking issues.                     |        https://airflow.apache.org/docs/apache-airflow/stable/administration/data [...]
 |  AERR022 |       PermissionError      |                 Permission error in KubernetesPodOperator                 |             Occurs when the KubernetesPodOperator lacks permissions to perform required actions.            |                       Review the KubernetesPodOperator configuration and ensure it has the necessary permissions to perform actions in your Kubernetes cluster.                       |        https://airflow.apache.org/docs/apache-airflow/stable/howto/operator/kube [...]
-|  AERR023 |  AirflowSchedulerException |                            Scheduler loop error                           |               Triggered when the scheduler encounters an unexpected condition during its loop.              |                  Check the scheduler logs for specific error messages. Review recent changes to the Airflow environment or DAGs that could affect scheduler behavior.                 |  https://airflow.apache.org/docs/apache-airflow/stable/administration/scheduler. [...]
-|  AERR024 |    AirflowParseException   |                          Broken DAG: syntax error                         |                  Occurs when a syntax error in the DAG file prevents it from being parsed.                  |                               Review the DAG file for any syntax errors and correct them. Use a linter or Python syntax checker to help identify issues.                              |                  https://airflow.apache.org/docs/apache-airflow/stable/concepts/ [...]
-|  AERR025 |  AirflowDatabaseException  |                         DagRun state update failed                        |                 Occurs when Airflow fails to update the state of a DAG run in the database.                 |                         Check the database connection and permissions. Review any database constraints or performance issues that could prevent state updates.                        |           https://airflow.apache.org/docs/apache-airflow/stable/administration/m [...]
-|  AERR026 |     AirflowTaskTimeout     |                    Task marked as failed due to timeout                   |                      Happens when a task exceeds its maximum allowable execution time.                      |                         Increase the task execution timeout in the DAG configuration. Investigate the task logic for inefficiencies or external system delays.                        |              https://airflow.apache.org/docs/apache-airflow/stable/concepts/oper [...]
+|  AERR023 |  AirflowSchedulerException |                            Scheduler loop error                           |               Triggered when the scheduler encounters an unexpected condition during its loop.              |                  Check the scheduler logs for specific error messages. Review recent changes to the Airflow environment or Dags that could affect scheduler behavior.                 |  https://airflow.apache.org/docs/apache-airflow/stable/administration/scheduler. [...]
+|  AERR024 |    AirflowParseException   |                          Broken Dag: syntax error                         |                  Occurs when a syntax error in the Dag file prevents it from being parsed.                  |                               Review the Dag file for any syntax errors and correct them. Use a linter or Python syntax checker to help identify issues.                              |                  https://airflow.apache.org/docs/apache-airflow/stable/concepts/ [...]
+|  AERR025 |  AirflowDatabaseException  |                         DagRun state update failed                        |                 Occurs when Airflow fails to update the state of a Dag run in the database.                 |                         Check the database connection and permissions. Review any database constraints or performance issues that could prevent state updates.                        |           https://airflow.apache.org/docs/apache-airflow/stable/administration/m [...]
+|  AERR026 |     AirflowTaskTimeout     |                    Task marked as failed due to timeout                   |                      Happens when a task exceeds its maximum allowable execution time.                      |                         Increase the task execution timeout in the Dag configuration. Investigate the task logic for inefficiencies or external system delays.                        |              https://airflow.apache.org/docs/apache-airflow/stable/concepts/oper [...]
 |  AERR027 |      FileNotFoundError     |                             Task log not found                            |                     Happens when task logs are missing from the local or remote storage.                    |                 Check the task log configuration in Airflow. Ensure that logging paths are correctly configured and accessible. Verify permissions for remote storage.                |                 https://airflow.apache.org/docs/apache-airflow/stable/logging.ht [...]
 |  AERR028 |         ImportError        |                    Cannot import module in BashOperator                   |                Triggered when a script run by BashOperator references missing Python modules.               |                   Ensure all required Python modules are installed in the environment. Check the `requirements.txt` or virtual environment for missing dependencies.                  |           https://airflow.apache.org/docs/apache-airflow/stable/howto/operator/b [...]
 |  AERR029 |   AirflowConfigException   |                   Error loading connections from secret                   |               Happens when Airflow fails to load connection credentials from a secret backend.              |                            Check the secret backend configuration and credentials. Ensure the secret backend is accessible and correctly set up in Airflow.                           |                   https://airflow.apache.org/docs/apache-airflow/stable/security [...]
 |  AERR030 |   AirflowWorkerException   |                           Worker not responding                           |                Happens when a worker node becomes unresponsive or fails to report its status.               |                     Check the worker node logs for errors. Restart the worker node if necessary and verify network connectivity between the scheduler and worker.                     |                https://airflow.apache.org/docs/apache-airflow/stable/administrat [...]
 |  AERR031 |      AirflowException      |                       Resource not found in GCP hook                      |                    Triggered when a GCP hook is unable to locate the specified resource.                    |                         Verify the resource exists in GCP. Check the GCP credentials and ensure that the hook is correctly configured to access the resource.                         |                https://airflow.apache.org/docs/apache-airflow-providers-google/s [...]
 |  AERR032 |  AirflowExecutorException  |                      Backend not reachable for Celery                     |               Occurs when the CeleryExecutor cannot connect to the configured Celery backend.               |                      Check the Celery backend configuration in `airflow.cfg`. Verify network access and that the Celery worker is properly connected and running.                     |                   https://airflow.apache.org/docs/apache-airflow/stable/executor [...]
-|  AERR033 |      AirflowException      |                          Invalid cron expression                          |                 Occurs when the cron schedule provided in the DAG is invalid or unparsable.                 |                            Check the cron expression syntax for errors. Use a cron expression validator tool to confirm it is valid and properly formatted.                           |              https://airflow.apache.org/docs/apache-airflow/stable/scheduler.htm [...]
+|  AERR033 |      AirflowException      |                          Invalid cron expression                          |                 Occurs when the cron schedule provided in the Dag is invalid or unparsable.                 |                            Check the cron expression syntax for errors. Use a cron expression validator tool to confirm it is valid and properly formatted.                           |              https://airflow.apache.org/docs/apache-airflow/stable/scheduler.htm [...]
 |  AERR034 |       UnpicklingError      |                     UnpicklingError while running task                    |  Happens when Airflow cannot deserialize data, often due to incompatible Python versions or corrupted data. |                      Ensure that Airflow and its dependencies are compatible with the Python version in use. Review any corrupted data and clear invalid entries.                     |                https://airflow.apache.org/docs/apache-airflow/stable/concepts/se [...]
 |  AERR035 |   AirflowWorkerException   |                  Task instance killed by external system                  |                 Occurs when an external system terminates a task instance during execution.                 |                       Review the external system logs to determine why it terminated the task. Modify task handling to account for external termination events.                       |            https://airflow.apache.org/docs/apache-airflow/stable/operators.html# [...]
 |  AERR036 |   AirflowWorkerException   |                     Worker died during task execution                     |                  Happens when the worker process handling a task crashes or is terminated.                  |                 Investigate the worker logs to identify the cause of the crash. Ensure that the worker environment has adequate resources and is properly configured.                 |        https://airflow.apache.org/docs/apache-airflow/stable/administration/work [...]
 |  AERR037 |  AirflowDatabaseException  |                         Failed to fetch task state                        |             Occurs when the metadata database does not return a valid state for a task instance.            |               Check the metadata database for data consistency and ensure that the database is responsive. Investigate for any database corruption or misconfigurations.              |           https://airflow.apache.org/docs/apache-airflow/stable/administration/m [...]
-|  AERR038 |         ValueError         |                        Cron interval parsing failed                       |               Occurs when the cron expression for a DAG's schedule interval cannot be parsed.               |                    Review the cron expression in the DAG configuration. Use a cron expression validator to confirm the format is correct and supported by Airflow.                    |              https://airflow.apache.org/docs/apache-airflow/stable/scheduler.htm [...]
-|  AERR039 |  AirflowSchedulerException |                 Scheduler throttled due to excessive DAGs                 |                 Happens when the scheduler takes too long to process a large number of DAGs.                |  Consider optimizing DAG execution and task scheduling. Check the scheduler logs for any performance bottlenecks, and adjust the scheduler settings to handle large DAGs efficiently. |    https://airflow.apache.org/docs/apache-airflow/stable/administration/schedule [...]
-|  AERR040 |  AirflowDatabaseException  |                      DagRun execution_date conflicts                      |               Occurs when there is a mismatch in execution_date for a DAG run in the database.              |                 Ensure the execution_date is correctly defined and consistent across task instances. Check for any issues with time zone settings or manual overrides.                |                   https://airflow.apache.org/docs/apache-airflow/stable/concepts [...]
+|  AERR038 |         ValueError         |                        Cron interval parsing failed                       |               Occurs when the cron expression for a Dag's schedule interval cannot be parsed.               |                    Review the cron expression in the Dag configuration. Use a cron expression validator to confirm the format is correct and supported by Airflow.                    |              https://airflow.apache.org/docs/apache-airflow/stable/scheduler.htm [...]
+|  AERR039 |  AirflowSchedulerException |                 Scheduler throttled due to excessive Dags                 |                 Happens when the scheduler takes too long to process a large number of Dags.                |  Consider optimizing Dag execution and task scheduling. Check the scheduler logs for any performance bottlenecks, and adjust the scheduler settings to handle large Dags efficiently. |    https://airflow.apache.org/docs/apache-airflow/stable/administration/schedule [...]
+|  AERR040 |  AirflowDatabaseException  |                      DagRun execution_date conflicts                      |               Occurs when there is a mismatch in execution_date for a Dag run in the database.              |                 Ensure the execution_date is correctly defined and consistent across task instances. Check for any issues with time zone settings or manual overrides.                |                   https://airflow.apache.org/docs/apache-airflow/stable/concepts [...]
 |  AERR041 |     AirflowTaskTimeout     |                       Task is stuck in queued state                       |                  Occurs when a task remains queued without being picked up by an executor.                  |   Check the executor configuration and ensure that sufficient worker nodes are available. Verify the queue settings and make sure the task is being routed to the correct executor.   |         https://airflow.apache.org/docs/apache-airflow/stable/administration/tas [...]
-|  AERR042 |    AirflowParseException   |                        Error while parsing DAG file                       |             Triggered when the scheduler encounters syntax errors or invalid code in a DAG file.            |                          Review the DAG file for any code errors or invalid syntax. Use a Python linter to catch issues before loading the DAG into Airflow.                          |                  https://airflow.apache.org/docs/apache-airflow/stable/concepts/ [...]
-|  AERR043 |  AirflowDagCycleException  |                       Task dependency cycle detected                      |                      Triggered when task dependencies in a DAG create an infinite loop.                     |                          Check task dependencies in the DAG and ensure that there are no circular references. Modify dependencies to prevent infinite loops.                          |           https://airflow.apache.org/docs/apache-airflow/stable/concepts/dags.ht [...]
-|  AERR044 |    AirflowTaskException    |                    Task failed due to retries exceeded                    |                      Triggered when a task exhausts its retry limit without succeeding.                     |                                Increase the retry limit in the DAG configuration or modify the task logic to handle failure scenarios more gracefully.                                |              https://airflow.apache.org/docs/apache-airflow/stable/concepts/oper [...]
+|  AERR042 |    AirflowParseException   |                        Error while parsing Dag file                       |             Triggered when the scheduler encounters syntax errors or invalid code in a Dag file.            |                          Review the Dag file for any code errors or invalid syntax. Use a Python linter to catch issues before loading the Dag into Airflow.                          |                  https://airflow.apache.org/docs/apache-airflow/stable/concepts/ [...]
+|  AERR043 |  AirflowDagCycleException  |                       Task dependency cycle detected                      |                      Triggered when task dependencies in a Dag create an infinite loop.                     |                          Check task dependencies in the Dag and ensure that there are no circular references. Modify dependencies to prevent infinite loops.                          |           https://airflow.apache.org/docs/apache-airflow/stable/concepts/dags.ht [...]
+|  AERR044 |    AirflowTaskException    |                    Task failed due to retries exceeded                    |                      Triggered when a task exhausts its retry limit without succeeding.                     |                                Increase the retry limit in the Dag configuration or modify the task logic to handle failure scenarios more gracefully.                                |              https://airflow.apache.org/docs/apache-airflow/stable/concepts/oper [...]
 |  AERR045 |         ValueError         |                        ValueError in task arguments                       |               Happens when a task operator is provided with invalid or incompatible arguments.              |                   Review the operator arguments and ensure they are correctly specified. Check the Airflow documentation for valid arguments for the operator used.                   |                    https://airflow.apache.org/docs/apache-airflow/stable/howto/o [...]
 |  AERR046 |    AirflowTaskException    |                            Task queue not found                           |                       Occurs when the task's queue is not recognized by the executor.                       |                 Ensure the specified queue exists in the Airflow configuration. Review the executor settings to confirm it can process tasks from the specified queue.                |                   https://airflow.apache.org/docs/apache-airflow/stable/concepts [...]
 |  AERR047 |  AirflowSchedulerException |                   Executor cannot retrieve task instance                  |              Happens when the executor fails to fetch task instance details from the database.              |                   Verify the database connection and ensure the task instance details are present in the metadata database. Check the executor logs for any errors.                   |         https://airflow.apache.org/docs/apache-airflow/stable/administration/tas [...]
@@ -80,16 +80,16 @@
 |  AERR049 |    AirflowTaskException    |                  Invalid return type from PythonOperator                  |                     Happens when a PythonOperator returns a value of an unexpected type.                    |                       Ensure the Python function used in the PythonOperator returns the expected type. Review the function implementation for type correctness.                       |                https://airflow.apache.org/docs/apache-airflow/stable/howto/opera [...]
 |  AERR050 |   AirflowConfigException   |                     Config error: executor not defined                    |                 Triggered when the Airflow configuration does not specify a valid executor.                 |              Review the `airflow.cfg` file and verify that the executor is correctly specified. Ensure that the specified executor is installed and properly configured.              |                   https://airflow.apache.org/docs/apache-airflow/stable/executor [...]
 |  AERR051 |      AirflowException      |                    Error in task failure hook execution                   |                   Triggered when the failure hook defined for a task encounters an error.                   |                      Check the failure hook configuration for errors. Review the task and hook logs to identify the cause of the failure and resolve any issues.                      |             https://airflow.apache.org/docs/apache-airflow/stable/howto/operator [...]
-|  AERR052 |  AirflowTemplateException  |                    Failed to resolve template variable                    |               Triggered when a task's templated field contains errors or undefined variables.               |                       Review the task templated fields for any errors or undefined variables. Ensure all variables are defined and passed correctly in the DAG.                       |            https://airflow.apache.org/docs/apache-airflow/stable/concepts/operat [...]
+|  AERR052 |  AirflowTemplateException  |                    Failed to resolve template variable                    |               Triggered when a task's templated field contains errors or undefined variables.               |                       Review the task templated fields for any errors or undefined variables. Ensure all variables are defined and passed correctly in the Dag.                       |            https://airflow.apache.org/docs/apache-airflow/stable/concepts/operat [...]
 |  AERR053 |  AirflowSchedulerException |                   Scheduler process killed unexpectedly                   |             Triggered when the scheduler process is terminated due to resource or system issues.            |                     Investigate the system logs for resource-related issues. Increase system resources or adjust scheduler configurations to prevent termination.                     |               https://airflow.apache.org/docs/apache-airflow/stable/administrati [...]
 |  AERR054 |     AirflowTaskTimeout     |                        Task failed with exit code 1                       |            Occurs when a task script or subprocess exits with a non-zero code indicating failure.           |                         Check the task script or subprocess logs for the error code and cause of failure. Debug the script and address any underlying issues.                         |                 https://airflow.apache.org/docs/apache-airflow/stable/howto/oper [...]
-|  AERR055 |  AirflowDatabaseException  |                  TaskInstance already exists in database                  |               Occurs when a duplicate TaskInstance entry is created in the metadata database.               |                    Review task instance scheduling and ensure that duplicate entries are not being created. Investigate DAG scheduling logic for potential issues.                    |           https://airflow.apache.org/docs/apache-airflow/stable/administration/m [...]
+|  AERR055 |  AirflowDatabaseException  |                  TaskInstance already exists in database                  |               Occurs when a duplicate TaskInstance entry is created in the metadata database.               |                    Review task instance scheduling and ensure that duplicate entries are not being created. Investigate Dag scheduling logic for potential issues.                    |           https://airflow.apache.org/docs/apache-airflow/stable/administration/m [...]
 |  AERR056 |  AirflowDatabaseException  |                        Could not reach the database                       |           Indicates connectivity issues with the metadata database, often due to misconfiguration.          |                 Verify the connection settings in `airflow.cfg` for the metadata database. Ensure that the database is accessible and network connectivity is working.                |   https://airflow.apache.org/docs/apache-airflow/stable/administration/metadata- [...]
 |  AERR057 |  AirflowExecutorException  |                       Task stuck in 'deferred' state                      |         Triggered when a task using deferrable operators remains in 'deferred' longer than expected.        |             Review the deferrable operator configuration and execution logic. Ensure that the task is properly resumed and that there are no long delays in task deferral.            |              https://airflow.apache.org/docs/apache-airflow/stable/howto/operato [...]
-|  AERR058 |      AirflowException      |                       Error loading custom operator                       |                  Indicates a problem in importing or defining a custom operator in the DAG.                 |                     Check the custom operator import path and ensure it is available. Verify that the custom operator class is correctly defined and instantiated.                    |       https://airflow.apache.org/docs/apache-airflow/stable/howto/operator.html# [...]
-|  AERR059 |   AirflowTriggerException  |                     Trigger timeout for external task                     |             Occurs when an ExternalTaskSensor exceeds its timeout waiting for an external task.             |                      Increase the timeout setting for the ExternalTaskSensor. Check if the external task is delayed and adjust the DAG dependencies accordingly.                      |             https://airflow.apache.org/docs/apache-airflow/stable/howto/operator [...]
-|  AERR060 |  AirflowDagImportException |                            DagBag import errors                           |               Happens when the scheduler encounters issues loading DAG files into the DagBag.               |                        Check the DAG files for syntax or configuration errors. Inspect the DagBag loading process to ensure no invalid DAGs are being included.                       |                   https://airflow.apache.org/docs/apache-airflow/stable/schedule [...]
-|  AERR061 |     AirflowDagNotFound     |                      DAG not found in trigger DAG run                     |                 Triggered when the DAG specified in a TriggerDagRunOperator does not exist.                 |                        Check the name of the target DAG in the TriggerDagRunOperator. Ensure that the DAG exists and is correctly spelled in the configuration.                       |              https://airflow.apache.org/docs/apache-airflow/stable/howto/operato [...]
+|  AERR058 |      AirflowException      |                       Error loading custom operator                       |                  Indicates a problem in importing or defining a custom operator in the Dag.                 |                     Check the custom operator import path and ensure it is available. Verify that the custom operator class is correctly defined and instantiated.                    |       https://airflow.apache.org/docs/apache-airflow/stable/howto/operator.html# [...]
+|  AERR059 |   AirflowTriggerException  |                     Trigger timeout for external task                     |             Occurs when an ExternalTaskSensor exceeds its timeout waiting for an external task.             |                      Increase the timeout setting for the ExternalTaskSensor. Check if the external task is delayed and adjust the Dag dependencies accordingly.                      |             https://airflow.apache.org/docs/apache-airflow/stable/howto/operator [...]
+|  AERR060 |  AirflowDagImportException |                            DagBag import errors                           |               Happens when the scheduler encounters issues loading Dag files into the DagBag.               |                        Check the Dag files for syntax or configuration errors. Inspect the DagBag loading process to ensure no invalid Dags are being included.                       |                   https://airflow.apache.org/docs/apache-airflow/stable/schedule [...]
+|  AERR061 |     AirflowDagNotFound     |                      Dag not found in trigger Dag run                     |                 Triggered when the DAG specified in a TriggerDagRunOperator does not exist.                 |                        Check the name of the target DAG in the TriggerDagRunOperator. Ensure that the DAG exists and is correctly spelled in the configuration.                       |              https://airflow.apache.org/docs/apache-airflow/stable/howto/operato [...]
 |  AERR062 |  AirflowDagCycleException  |                        Circular dependencies in DAG                       |                        Triggered when tasks in a DAG form a circular dependency loop.                       |                             Review the task dependencies and remove any circular references. Modify the DAG structure to avoid infinite dependency loops.                             |           https://airflow.apache.org/docs/apache-airflow/stable/concepts/dags.ht [...]
 |  AERR063 |      AirflowException      |                    Error in on_failure_callback for DAG                   |                      Occurs when the on_failure_callback for a DAG raises an exception.                     |                  Check the on_failure_callback function for errors. Ensure it handles exceptions correctly and does not raise additional errors during task failure.                  |                   https://airflow.apache.org/docs/apache-airflow/stable/advanced [...]
 |  AERR064 |   AirflowTriggerException  |                        TriggerDagRunOperator failed                       |               Happens when the TriggerDagRunOperator cannot trigger the specified target DAG.               |                              Verify the configuration of the TriggerDagRunOperator. Ensure the target DAG exists and the trigger parameters are correct.                              |              https://airflow.apache.org/docs/apache-airflow/stable/howto/operato [...]
diff --git a/dev/README_RELEASE_PYTHON_CLIENT.md b/dev/README_RELEASE_PYTHON_CLIENT.md
index 5735358aa15..f6b267a855d 100644
--- a/dev/README_RELEASE_PYTHON_CLIENT.md
+++ b/dev/README_RELEASE_PYTHON_CLIENT.md
@@ -742,7 +742,7 @@ The ``AIRFLOW__API__EXPOSE_CONFIG`` is optional - the script will also succeed w
 breeze start-airflow --load-example-dags
 ```
 
-Give the server 20-30 seconds to serialize the example DAGs to DB
+Give the server 20-30 seconds to serialize the example Dags to DB
 
 3. In the meantime install the python client you want to test - in the terminal window in the container.
    It can be installed from `PyPI` via `pip install apache-airflow-client==X.Y.Zrc1` or installed
diff --git a/dev/breeze/doc/05_test_commands.rst b/dev/breeze/doc/05_test_commands.rst
index 656e83cfb81..9422918e9bf 100644
--- a/dev/breeze/doc/05_test_commands.rst
+++ b/dev/breeze/doc/05_test_commands.rst
@@ -424,7 +424,7 @@ You can:
 * Manage KinD Kubernetes cluster, upload Airflow image, deploy Airflow to the cluster and check its status with
   ``breeze k8s create-cluster``, ``breeze k8s configure-cluster``, ``breeze k8s deploy-airflow``, ``breeze k8s status``,
   ``breeze k8s upload-k8s-image``, ``breeze k8s delete-cluster`` and ``breeze k8s deploy-cluster`` commands
-* Hot-reload DAGs and core sources (scheduler/triggerer/dag-processor) with ``breeze k8s dev`` (skaffold sync)
+* Hot-reload Dags and core sources (scheduler/triggerer/dag-processor) with ``breeze k8s dev`` (skaffold sync)
 * Run Kubernetes tests  specified with ``breeze k8s tests`` command
 * Run complete test run with ``breeze k8s run-complete-tests`` - performing the full cycle of creating
   cluster, uploading the image, deploying airflow, running tests and deleting the cluster
@@ -565,7 +565,7 @@ All parameters of the command are here:
   :width: 100%
   :alt: Breeze k8s deploy-airflow
 
-Hot-reloading DAGs and core sources
+Hot-reloading Dags and core sources
 ...................................
 
 After deploying Airflow you can run ``breeze k8s dev`` to sync local ``dags/`` and