How To Fix /IWFND/CM_CONSUMER023 - Init mapper for complex service - outbound post BAdI mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_CONSUMER -

• Message number: 023

• Message text: Init mapper for complex service - outbound post BAdI mapping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_CONSUMER023 - Init mapper for complex service - outbound post BAdI mapping ?

  The SAP error message /IWFND/CM_CONSUMER023 typically occurs in the context of SAP Gateway services, particularly when there is an issue with the mapping of complex types during an outbound POST operation. This error indicates that the system is unable to initialize the mapper for a complex service due to a problem with the BAdI (Business Add-In) mapping.
  Causes:
  
  BAdI Implementation Issues: The BAdI implementation for the service may not be correctly defined or activated. If the BAdI is not implemented or has errors, the system cannot perform the necessary mapping.
  Data Structure Mismatch: The data structure being sent in the POST request may not match the expected structure defined in the service. This can happen if there are changes in the data model that are not reflected in the service.
  Service Configuration Errors: There may be issues with the service configuration in the SAP Gateway, such as incorrect settings or missing parameters.
  Authorization Issues: The user executing the service may not have the necessary authorizations to access the BAdI or the service itself.
  
  Solutions:
  
  
  Check BAdI Implementation:
  
  Go to transaction SE18 to check the BAdI implementation.
  Ensure that the BAdI is correctly implemented and activated.
  Review the implementation code for any errors or missing logic.
  
  
  
  Validate Data Structure:
  
  Review the data being sent in the POST request to ensure it matches the expected structure.
  Use tools like the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the service and see the expected input format.
  
  
  
  Service Configuration:
  
  Check the service configuration in transaction IWFND/MAINT_SERVICE.
  Ensure that the service is properly registered and activated.
  Review the service definition in transaction SE80 to ensure that all necessary mappings are in place.
  
  
  
  Authorization Check:
  
  Verify that the user has the necessary authorizations to execute the service and access the BAdI.
  Use transaction SU53 to check for any authorization failures after executing the service.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the service to identify where the mapping fails.
  Set breakpoints in the BAdI implementation to see if it is being called and to inspect the data being processed.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Documentation: Review the official SAP documentation for SAP Gateway and BAdIs to understand the expected behavior and configuration.
  Community Forums: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue causing the /IWFND/CM_CONSUMER023 error in your SAP system.