CLOSED - issue SPAGOBI-1170: When switching to the Worksheet designer, sometimes an error is displayed and fields are not loaded
https://www.spagoworld.org/jira/browse/SPAGOBI-1170

git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@19822 99afaf0d-6903-0410-885a-c66a8bbb5f81
Incomplete - task : BZ002 - Come utente di SpagoBI voglio poter eseguire dataset di tipo file xls o csv 


git-svn-id: svn://svn.forge.objectweb.org/svnroot/spagobi/V_4.x/Server/trunk@19823 99afaf0d-6903-0410-885a-c66a8bbb5f81