SAP Message X4523 - An error occurred for suboperation &1 / &2 of a parallel sequence

Diagnosis
An error occurred during the processing of suboperation &V2& ofoperation &V1& for a parallel sequence. The sequence concerned isnumber &V3&. Note that no sequence numbers can be specified in thismessage for any operations or parallel sequences that have beeninserted into the order by hand.

Procedure
See the subsequent message in the application log to determine thecause of the error.
Then, rectify the cause of the error.

Procedure for System Administration
Information:
The operation concerned has the counter (APLZL) &V4&.