How To Fix MEREP_00127 - User exits in generated code & raised exception w/o creating RTN records

SAP Error Message - Details

• Message type: E = Error

• Message class: MEREP_00 - Basic Message

• Message number: 127

• Message text: User exits in generated code & raised exception w/o creating RTN records

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MEREP_00127 - User exits in generated code & raised exception w/o creating RTN records ?

  The SAP error message MEREP_00127 typically indicates an issue related to user exits in the generated code for the Material Requirements Planning (MRP) or related processes. This error occurs when there are user exits that have been implemented but are not properly handling exceptions, leading to a situation where the system raises an exception without creating the necessary return (RTN) records.
  Cause:
  
  User Exit Implementation: The user exit may not be correctly implemented, leading to exceptions being raised without proper handling.
  Code Logic: There may be logical errors in the code that prevent the creation of return records when exceptions occur.
  Configuration Issues: Incorrect configuration in the MRP settings or related areas may lead to unexpected behavior.
  Missing Return Records: The system expects return records to be created for certain operations, and if they are not, it can lead to this error.
  
  Solution:
  
  Review User Exits: Check the user exits that have been implemented in the relevant function modules. Ensure that they are correctly handling exceptions and creating return records as expected.
  Debugging: Use the ABAP debugger to trace the execution of the code where the error occurs. This can help identify where the exception is raised and why return records are not being created.
  Error Handling: Implement proper error handling in the user exit code. Ensure that any exceptions are caught and that return records are created accordingly.
  Testing: After making changes, thoroughly test the functionality to ensure that the error no longer occurs and that the system behaves as expected.
  Consult Documentation: Review SAP documentation related to the specific user exits and MRP processes to ensure compliance with best practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on user exits in MRP.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., MD01, MD02) that may be involved in the MRP process to understand the context of the error better.
  ABAP Development: If you have access to ABAP development resources, consider consulting with an ABAP developer to review the code and provide insights into potential fixes.
  
  By following these steps, you should be able to identify the root cause of the MEREP_00127 error and implement a solution to resolve it.