Problem with crystal enterprise

Hi All

I am using crystal reports 10 for designing my reports and i am using commands to generate reports. I am using crystal enterprise for showing my reports. When i export my report to crystal enterprise and try to run it it fails with the below exception

Error Message: Unable to connect: incorrect log on parameters. File D:\Program Files\Crystal Decisions\Enterprise 10\Data\procSched\BPSAPPDEV1.reportjobserver\~tmp1bb442fbdc87cd0.rpt.

If i do not use command and use individual tables to generate report it runs fine. Only if i use command it fails. Even if i try giving database information once again it fails.

we are using db2 as database. Is there any solution to avoid this problem?

Thanks in advance