The CDR service could not validate a message it read from the message queue. The total message size is not equal to the sum ...

The CDR service could not validate a message it read from the message queue. The total message size is not equal to the sum of the different components of this message. The failed message will be ignored.

Stored procedure Name: %1 
Error Code: %2!_HRX!
Cause: There may be a version mismatch between the CDR agent and the Monitoring Server, or malformed messages may be present in the message queue.
Resolution:
Check the versions of the agent and the server, and the security settings on the queue.