Error - Parsed Expression of unsupported type for this operation

[William Diaz Pabón <wi...@hotmail.com>]

Hello.

when I do submit to the form leaves error in the page:

Parsed Expression of unsupported type for this operation. Expression class: 
org.apache.commons.el.ExpressionString. Expression: ' #{tabla.norma}'
Parsed Expression of unsupported type for this operation. Expression class: 
org.apache.commons.el.ExpressionString. Expression: ' #{tabla.tolerancia}'

in the page it has:

                                <t:column width="10%" 
style="text-align:center"
                                          sortable="true">
                                  <f:facet name="header">
                                    <h:outputText value="NTC"
                                                  styleClass="encabezado"/>
                                  </f:facet>
                                  <t:inputText id="normaTabla"
                                               value="#{tabla.norma}"
                                               maxlength="5"
                                               size="10"
                                               required="false"
                                               
onkeypress="return(soloDigitosSinEnter(event,document.getElementById(\'frmLista:tipos:#{posList}:toleranciaTabla\')));"
                                               />
                                </t:column>
                                <t:column width="10%" 
style="text-align:center"
                                          sortable="true">
                                  <f:facet name="header">
                                    <h:outputText value="Tolerancia"
                                                  styleClass="encabezado"/>
                                  </f:facet>
                                  <t:inputText id="toleranciaTabla"
                                               value="#{tabla.tolerancia}"
                                               maxlength="8"
                                               size="10"
                                               required="false"
                                               
onkeypress="return(soloDigitosDecimalSinEnter(event,document.getElementById(\'frmLista:tipos:#{posList}:cbGuardar\')));"
                                                />
                                </t:column>


how can i solve it?

William Diaz Pabón

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