SAP Message USC583 - Errors occurred when sending. Examine the log

Diagnosis
An internal error occurred before the actual sending of the contact.Either the contact that is to be sent is inconsistent, or there is aprogram error.

System Response
The send process is canceled.

Procedure
Try to find the cause of error in the log file. Start the send processagain.

Procedure for System Administration
If the problem occurs repeatedly, contact SAP Support.