Strange performance issue in bex report

Hello Experts,
I have a performance issue on my bex report.
I'm running the report with below selection criteria and getting 'too much data' error.
Country : equals EMEA
Category: not equlas 13
Date : 02/2010 to 12/2010.
But when I ran the report for smaller date ranges the number of records are not exceeding 13000.
02.2010 - 06.2010 - 6,555 rows
07.2010 - 09.2010 - 3,671 rows
10.2010 - 12.2010 - 2,780 rows
I know excel can't fit more than 65000 records, but I'm expecting 13000 records for my wide date range which excel can easily fit.
Any ideas on this one will be appreciated.
Regards,
Brahma Reddy

Hi,
For Question 1:
In query designer Go to the Query properties and select the tab "Variable Sequence", here you can set the order of variables as per you requirement.
For Question 2:
There will be a option "Hide Repeated Key values", if you uncheck this option then you will have the values for each row even though the material values are same.
Note; if you are viewing the report in web or WAD report you need to make the same changes in the Web template also because the settings in the query designer will be overridden when you run the query in web.
Hope this helps.
Regards,
Rk.

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Thanks for you quick response. Indexes were not created for VBPA table. basis people tested by creating indexes and gave a report that it is taking more time with indexes than regular query optimizer. this is happening in the funtion forward_ag_selection.
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Hi,
     Can you please modify this code, i have performance issue for the following code.
Here: t_po is a final internal table.
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Get invoiced amount for a PO line item
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HI,
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TYPES: begin of itab,
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