Error generating data provider-Query cant be released

Hello Experts,
I am working on web template (WAD 3.5) where i have 6 graphs each having independadnt data provider (Bex query).
I also have drop boxes which represents the selection screen of queries attached to graphs.
'Affected data providers list' of dropboxes consist of all data providers that are attached to graphs in template, as each graph is supposed to get refreshed if user changes drop box selection.
Template was working fine until i made the change to query 2 which is dataprovider 2 for graph 2.
Since then i am not able to run template it gives me error -
-The query cant be release for OLE DB for OLAP
-Query couldnt be open
-Error generating data provider.
As i checkd that qury independantly in query analyzer, its working perfect without any error.
What could be the possible reason for this error then??
regards,
Pritesh.

Hi Manpreet,
Use the 'verify' icon in the query designer to check whether your query definition is correct. Also u  you
can check if you can execute the query in the backend with transaction RSRT2. In  RSRT2 try re-generating
the query before running it.
Hope it helps.
Regards,
Javed

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