How To Fix FL899 - Function is in use

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 899

• Message text: Function is in use

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FL899 - Function is in use ?

  The SAP error message FL899, which states "Function is in use," typically occurs when you attempt to perform an action on a function (such as a function module, function group, or a related object) that is currently being utilized or locked by another process or user. This can happen in various scenarios, such as when trying to delete, modify, or transport a function that is actively in use.
  Causes:
  
  Active Sessions: Another user or session is currently executing a function that you are trying to modify or delete.
  Locks: The function may be locked due to a transaction that is currently being processed.
  Transport Requests: If the function is part of a transport request that is being processed, it may be locked.
  Development Environment: In a development environment, if the function is being edited or tested, it may be locked for changes.
  
  Solutions:
  
  Check Active Sessions: Use transaction code SM04 to check for active user sessions. If you find a session using the function, you may need to wait for it to complete or contact the user to release it.
  Release Locks: Use transaction code SM12 to check for locks on the function. You can identify the user or process holding the lock and take appropriate action (e.g., ask the user to log off or release the lock).
  Wait for Completion: If the function is being used in a long-running process, you may need to wait until that process completes.
  Transport Management: If the function is part of a transport request, ensure that the transport is not currently being processed. You can check the transport logs using transaction SE09 or SE10.
  Development Workbench: If you are in a development environment, ensure that no other developer is currently editing the function. You can coordinate with your team to avoid conflicts.
  
  Related Information:
  
  Transaction Codes:
  
  SM04: User Overview
  SM12: Display and Delete Locks
  SE09/SE10: Transport Organizer
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error.
  Documentation: Review SAP documentation for best practices on managing function modules and handling locks.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.