Export To Excel(Missing file: ...ss\basic classes.xcss)

[mrvikash]

Hi!
I am working on JBoss Seam project.
Actualli i am trying to export data in Excel sheet at run time by using java code, and also getting sucesss..But Excel sheet caught an exception during load.

Problem came up in the following areas during load...

Missing file: ...ss\basic classes.xcss\DATB\eAGBUnaFO3T5DGkAEaUDmQ....seam
 

Can any 1 tell me the solution.. how to solve this issue..
Thx in advance

Vikash Srivastava

[nickarls]

Ummm, I wouldn't be so sure that from the Excel export. Post full stack trace and setup, please