How To Fix TH042 - Interface of exit module &1 is not consistent.

SAP Error Message - Details

• Message type: E = Error

• Message class: TH - Messages for Upgrade Repository Switch

• Message number: 042

• Message text: Interface of exit module &1 is not consistent.

What causes this issue?

Function module &V1& is to be called as an exit module. However, the
function module was not executed since its interface was not consistent
with the transferred parameters of the function module caller.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Create a customer message and assign it to component BC-UPG-ADDON.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TH042 - Interface of exit module &1 is not consistent. ?

  The SAP error message TH042, which states "Interface of exit module &1 is not consistent," typically occurs when there is a mismatch or inconsistency in the interface of a user exit or enhancement implementation. This can happen for several reasons, including changes in the underlying SAP standard code, incorrect parameter definitions, or issues with the implementation of the exit itself.
  Causes:
  
  Parameter Mismatch: The parameters defined in the user exit do not match the expected parameters in the SAP standard interface.
  Changes in SAP Standard: If SAP has updated the standard code and the user exit has not been updated accordingly, it can lead to inconsistencies.
  Incorrect Implementation: The user exit may have been implemented incorrectly, with missing or extra parameters.
  Transport Issues: If the user exit was transported from one system to another (e.g., from development to production) without proper adjustments, it may lead to inconsistencies.
  
  Solutions:
  
  Check the Interface: Review the interface of the user exit in transaction SE80 or SE37. Ensure that the parameters match the expected interface as defined in the SAP documentation.
  Update the Implementation: If there have been changes in the SAP standard, update the user exit implementation to align with the new interface.
  Re-implement the Exit: If the implementation is incorrect, consider re-implementing the exit according to the correct specifications.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on the user exit in question.
  Testing: After making changes, thoroughly test the functionality to ensure that the exit works as expected without causing further issues.
  
  Related Information:
  
  Transaction Codes: Use SE80 (Object Navigator) or SE37 (Function Module) to check the user exit and its parameters.
  Documentation: Refer to the SAP documentation for the specific user exit to understand its intended use and parameter definitions.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Debugging: If necessary, use the debugger to trace the execution and identify where the inconsistency arises.
  
  By following these steps, you should be able to resolve the TH042 error and ensure that the user exit is functioning correctly.