How To Fix /SAPAPO/BWEX001 - Function module for info source &1 was not found in customizing

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/BWEX -

• Message number: 001

• Message text: Function module for info source &1 was not found in customizing

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/BWEX001 - Function module for info source &1 was not found in customizing ?

  The SAP error message /SAPAPO/BWEX001 indicates that a function module for the specified InfoSource could not be found in the customizing settings. This error typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the integration between SAP APO and SAP BW (Business Warehouse).
  Cause:
  
  Missing Function Module: The function module that is supposed to be associated with the InfoSource is not defined in the customizing settings.
  Incorrect Customizing: The InfoSource may not have been properly configured in the SAP system.
  Transport Issues: If the customizing settings were transported from one system to another (e.g., from development to production), the transport may not have included the necessary function module.
  Version Mismatch: There may be a version mismatch between the SAP APO and SAP BW systems, leading to missing or incompatible function modules.
  
  Solution:
  
  
  Check Customizing Settings:
  
  Go to the transaction code RSA1 in SAP BW.
  Navigate to the InfoSources and check if the function module is correctly assigned to the InfoSource in question.
  Ensure that the function module exists in the system.
  
  
  
  Create or Assign Function Module:
  
  If the function module is missing, you may need to create it or assign an existing one that meets the requirements of the InfoSource.
  You can create a new function module using transaction code SE37 or SE80.
  
  
  
  Transport Requests:
  
  If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included in the transport request.
  If needed, re-transport the missing objects.
  
  
  
  Check for Notes and Patches:
  
  Check the SAP Support Portal for any relevant notes or patches that may address this issue. Sometimes, SAP releases notes that provide fixes or workarounds for specific errors.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for the specific version of SAP APO and BW you are using to ensure that all necessary configurations are in place.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1 (Data Warehousing Workbench)
  SE37 (Function Module)
  SE80 (Object Navigator)
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or solutions.
  Documentation: Review the SAP Help Portal for detailed information on configuring InfoSources and function modules in SAP BW and APO.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.