How To Fix OQ150 - User exit is in module pool &1; therefore subprogram must be &1

SAP Error Message - Details

• Message type: E = Error

• Message class: OQ - IS-Oil : Message pool Service Station Retailing

• Message number: 150

• Message text: User exit is in module pool &1; therefore subprogram must be &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OQ150 - User exit is in module pool &1; therefore subprogram must be &1 ?

  The SAP error message OQ150 indicates that there is an issue related to a user exit in a module pool. Specifically, it suggests that the subprogram being called must match the module pool name. This error typically arises when there is a mismatch between the expected naming conventions or when the user exit is not properly defined.
  Cause:
  
  Mismatch in Naming: The subprogram being called does not match the name of the module pool. In SAP, user exits are often tied to specific module pools, and the naming convention must be adhered to.
  Incorrect Configuration: The user exit may not be correctly configured in the system, leading to the system not being able to find the appropriate subprogram.
  Development Errors: There may be errors in the ABAP code where the user exit is implemented, such as typos or incorrect references.
  
  Solution:
  
  Check Naming Conventions: Ensure that the subprogram name matches the module pool name as expected. The naming should follow the format required by SAP.
  Review User Exit Implementation: Go to the transaction code SE80 (Object Navigator) or SE37 (Function Module) and check the implementation of the user exit. Make sure that it is correctly defined and activated.
  Debugging: Use the ABAP debugger to trace the execution and identify where the mismatch occurs. This can help pinpoint the exact location of the error.
  Consult Documentation: Refer to SAP documentation or notes related to the specific user exit you are working with. There may be specific requirements or configurations needed.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and notes, as there may be fixes related to user exits in newer versions.
  
  Related Information:
  
  User Exits: User exits are predefined points in SAP programs where you can add your own code. They are often used to enhance standard SAP functionality without modifying the original code.
  Module Pools: These are ABAP programs that contain screens and logic for specific transactions. Each module pool has a unique name and is associated with specific transactions.
  Transaction Codes: Familiarize yourself with transaction codes like SE80 (Object Navigator), SE37 (Function Module), and SE38 (ABAP Editor) for navigating and troubleshooting ABAP programs and user exits.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an experienced ABAP developer for further assistance.