SAP Message XC018 - Error in data transfer to system &1 in module &2. ext. number &3

Diagnosis
Errors occurred in module &V1& while the system was transferring data tothe ERP System.

System Response
The data may not have been transferred, or may have been only partiallytransferred.

Procedure
Check the application log on the SAP APO and ERP sides to determine theexact cause:

  • Copy the transaction code &V2& to the clipboard.

  • Open a session in the target system.

  • Choose Monitoring -> Display application log entries in
    • the CIF menu.
    • Insert the number in the field External number.

    • Choose Execute.