Take a look at the report detailed here: <br />
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<a class='bbc_url' href='
http://www.birt-exchange.org/devshare/designing-birt-reports/928-report-with-table-and-chart-from-multiple-data-sources-based-on-sub-queries/#description'>Report with table and chart from multiple data sources based on sub-queries - Tutorials - BIRT Exchange</a><br />
<br />
This works appropriately in the preview (RunAndRender), but fails in the webviewer (Run then Render). The failure relates to the length of an array, an array that is set as a persistentGlobalVariable.<br />
<br />
Any ideas how to over come this?