Hi bal,
This is a very generic message and unfortunately doesn't point to anything specific as to the cause of the error.
What did you do when the error appeared? Open the data (and how)? Post a batch? Print a report? Etc.
Are you able to continue from the error, or does this error force a shut down of the program?
What version of AR?
Is the integrity of that company data clean - assuming that you can access it?
When did this start happening? What did you do before that error happened?
Can another user from a different workstation access this data?
Since it happens only with one company, this is likely a problem with the data.
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Regards,
Softrak Tech Support