How To Fix WUSL123 - Function code &1 could not be executed

SAP Error Message - Details

• Message type: E = Error

• Message class: WUSL - Messages for where-used list

• Message number: 123

• Message text: Function code &1 could not be executed

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.

Unfortunately, there isn't any extra information in this error notice.

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WUSL123 - Function code &1 could not be executed ?

  The SAP error message WUSL123, which states "Function code &1 could not be executed," typically indicates that there is an issue with executing a specific function code in the SAP system. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Possible Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to execute the function code.
  Configuration Problems: The function code may not be properly configured in the system.
  Missing or Inactive Function Module: The function module associated with the function code may be missing or inactive.
  Technical Errors: There could be underlying technical issues, such as system inconsistencies or bugs in the code.
  User Interface Issues: If the function code is related to a specific user interface element, there may be issues with the UI configuration.
  
  Solutions:
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to execute the function code. This can be done by checking the user's roles and authorizations in transaction SU53 or SUIM.
  
  
  
  Review Configuration:
  
  Ensure that the function code is correctly configured in the system. This may involve checking the relevant customizing settings in the SPRO transaction.
  
  
  
  Check Function Module:
  
  Use transaction SE37 to check if the function module associated with the function code exists and is active. If it is inactive, activate it.
  
  
  
  Debugging:
  
  If you have access to debugging tools, you can set breakpoints in the code to identify where the error occurs. This may provide insights into the underlying issue.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message. There may be patches or updates available that resolve the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SU53 (Authorization Check), SE37 (Function Module), and SPRO (Customizing).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review SAP documentation related to the specific module or functionality you are working with, as it may provide additional insights.
  
  By following these steps, you should be able to diagnose and resolve the WUSL123 error in your SAP system.