Unable to update OGNL expression '' of $TableRows

[mos <mo...@inbox.ru>]

Hello

in html i have

<table jwcid="table@contrib:Table" class="table contribTable" id="xxx"
    rowsClass="ognl:beans.evenOdd.next" row="ognl:row" source="ognl:xxx" 
    columns="yyy.zzz.mmm:zzz.mmm,"
    arrowUpAsset="ognl:assets.upArrow"
arrowDownAsset="ognl:assets.downArrow">
</table>

in this form page pageBeginRender i write setXxx(new arrayList());
go to the next page, formated list and go to the previous page and in
pageBeginRender  write setXxx(list);
but i have error


Unable to update OGNL expression '<parsed OGNL expression>' of
$TableRows_22@143c2b6[sfaktForm/table.tableRows] to
lt.egos.vats.model.Yyy@7caa0f[zzz=lt.egos.vats.model.SfaktPasl@be916a[mmm=41,]]:
Method "setTableRow" failed for object
$TableRows_22@143c2b6[sfaktForm/table.tableRows]

thank you


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