How To Fix BA10026 - Function module & not yet defined

SAP Error Message - Details

• Message type: E = Error

• Message class: BA10 - Customizing process industry and logistics comms, PP-PI

• Message number: 026

• Message text: Function module & not yet defined

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message BA10026 - Function module & not yet defined ?

  The SAP error message BA10026, which states "Function module & not yet defined," typically indicates that the system is trying to call a function module that has not been defined or is not available in the current context. This can occur for various reasons, including configuration issues, missing function modules, or incorrect program logic.
  Causes:
  
  Missing Function Module: The function module that is being called does not exist in the SAP system.
  Incorrect Configuration: The system may not be properly configured to recognize the function module.
  Transport Issues: If the function module was recently transported from another system, it may not have been transported correctly.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Development Issues: The function module may be in development and not yet activated or released.
  
  Solutions:
  
  
  Check Function Module Existence:
  
  Use transaction SE37 (Function Builder) to check if the function module exists. If it does not, you may need to create it or ensure it is correctly transported from another system.
  
  
  
  Check Transport Requests:
  
  If the function module was recently transported, check the transport logs to ensure it was transported successfully without errors.
  
  
  
  Review Configuration:
  
  Ensure that all necessary configurations related to the function module are correctly set up in the system.
  
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to execute the function module. You can use transaction SU53 to analyze authorization issues.
  
  
  
  Debugging:
  
  If you have access to the ABAP code, you can debug the program to see where the function module is being called and why it might not be defined.
  
  
  
  Contact Development Team:
  
  If the function module is supposed to be part of a custom development, contact the development team to ensure it is properly defined and activated.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the specific function module or error message. You can search for the error message or function module in the SAP Support Portal.
  Documentation: Review the documentation for the specific module or functionality you are working with to ensure that all prerequisites are met.
  Community Forums: Consider checking SAP Community forums or other online resources for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution. If the issue persists, it may be necessary to escalate it to your SAP Basis or development team for further investigation.