How To Fix FL111 - & is not a valid function module

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 111

• Message text: & is not a valid function module

What causes this issue?

You attempted to edit a function module that has inconsistent control
data.

System Response

The entries in the function module table TFDIR and the related ABAP/4
file L<function group name>UXX do not agree.

How to fix this error?

Repeat the transport of the function group from the original system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL111 - & is not a valid function module ?

  The SAP error message FL111 indicates that the specified function module is not valid or cannot be found in the system. This error can occur for various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Typographical Error: The function module name may have been misspelled or incorrectly referenced in the code.
  Function Module Not Activated: The function module may exist but is not activated in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the function module.
  Transport Issues: The function module may not have been transported correctly from the development environment to the production environment.
  Namespace Issues: The function module may belong to a different namespace that is not accessible in the current context.
  
  Solutions:
  
  Check Spelling: Verify that the function module name is spelled correctly in the code.
  Activate the Function Module: If the function module exists but is not activated, you can activate it in the Function Builder (transaction SE37).
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this in transaction SU53 after the error occurs.
  Transport the Function Module: If the function module is missing in the target environment, ensure that it has been properly transported from the development system.
  Namespace Verification: Check if the function module is in a different namespace and ensure that it is accessible in your current context.
  
  Related Information:
  
  
  Transaction Codes:
  
  SE37: Function Module Builder - to create or modify function modules.
  SE80: Object Navigator - to search for function modules and other objects.
  SE11: Data Dictionary - to check related database objects.
  
  
  
  Debugging: If you are unsure why the function module is not recognized, you can use the debugger to trace the execution and see where the error occurs.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address specific issues related to the function module in question.
  
  
  Documentation: Review the documentation for the specific function module to understand its purpose and any prerequisites for its use.
  
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance.