Error: Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding. Warning: Null value is eliminated by an aggregate or other SET operation.

This error appears when opening a batch.
Download and install the latest patch, which contains all fixes from previous patches. If you are running an older version, download and install the latest version and then the patch. 

Environment

 3.0.516.41
 3.0.516, Service Pack 10 ; 4.0.138, patch 2

Was this article helpful?