SAP Message SAPLWOSL056 - Variant in BAPI error analysis: Original &1, single simulation &2

Diagnosis
This situation is highly improbable.
BAPI_SALESORDER_SIMULATE, used to check and simulate the order, hasreturned an error. To find the item with the error, the systemsimulates the items one after another using the BAPI. This resulted inan error that was not the same as the original one.

Procedure
Both parameters issued contain the message class and message number ofthe original error and those of the error that occurred in simulation.You can use this information to find out the cause of the error. Ifthis error should occur again, please inform SAP of the problem.
Procedure for System Administration