OTBI Report running into error when I add Sum on a column-Sort has no work space in the work directo

Summary

OTBI Report running into error when I add Sum on a column-Sort has no work space in the work directory.

Content

Hi,

I have an OTBI Report running into error when I add Sum on a column The error says "Sort has no work space in the work directory".

Does it signal anything wrong with the code or its a work directory space running out? It happens when I add a 'SUM' on a column.

Thanks,

Aloka