I'm experience some problem with Pentaho reporting.
I'm creating a report using PRD.
and published the report to BI server.
when i open the report in PDF or HTML format the report is working correctly.

But when Open it in Excel 2007, it took a lot of time to loading and lastly it showing error that file not found.

I try to trace the cause and find out that it related to ammount of data.
I try to reduce amount of the data and it working correctly.

Is there any configuration that can extend the timeout of report loading?
currently if the report loading is above 90 second, the problem will appear.

For PDF and HTML is working fine.
The error appear on Excel, Excel 2007, Rich Text Format.

Please help.

Thanks for your help.