SAP Message 55894 - Internal error: subscreen function modules sequence (&1 ->&2 &3)

Diagnosis
The program has linked a subscreen and ignored the calling sequence ofthe administration function modules.
Parameters
V1 - notice or tab
V2 - name of the function module where the error was established
V3 - name of the function module that could not be found at its callposition
Possible reasons:

  • OPEN function module was not called first

  • PAI_AFTER module was not called directly after PAI_BEFORE module.
  • System Response
    The system cannot execute your request due to a program error.

    Procedure
    Note the following:

    • message text and message number

    • name of the function module

    • transaction/report

    • environment mode

    • entries leading to this error.

    • Send this information with a problem message to SAP.