How To Fix GU758 - Maintenance of the code combinations for tab.& is blocked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: GU - FI-SL utilities

• Message number: 758

• Message text: Maintenance of the code combinations for tab.& is blocked by another user

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message GU758 - Maintenance of the code combinations for tab.& is blocked by another user ?

  The SAP error message GU758 indicates that the maintenance of code combinations for a specific table is blocked by another user. This typically occurs in the context of financial or controlling modules where multiple users may be trying to access or modify the same data simultaneously.
  Cause:
  
  Concurrent Access: Another user is currently editing the same code combination or table entry, which locks the data for other users to prevent conflicts.
  Transaction Lock: The transaction you are trying to execute is locked due to an ongoing process or transaction that has not been completed or has not been released properly.
  User Session: A previous session of the user may still be active, holding a lock on the data.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Lock: Use transaction code SM12 to check for locks. You can see which user is holding the lock and the specific object that is locked.
  
  In SM12, you can filter by your user ID to see if there are any locks that you are holding.
  
  
  Release the Lock: If you find that a lock is held by your user and it is no longer needed, you can delete the lock entry in SM12. However, be cautious with this step, as it may disrupt another user's work.
  Contact the User: If another user is holding the lock, you may want to communicate with them to see if they can complete their task or release the lock.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Use transaction SM37 to check for any running jobs that might be causing the lock.
  System Administrator: If you are unable to resolve the issue, contact your SAP system administrator for assistance. They may have additional tools or permissions to investigate and resolve the locking issue.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM37: To check for background jobs that may be causing locks.
  SE11: To view the data dictionary and check the structure of the table in question.
  
  
  User Management: Ensure that users are trained on how to properly exit transactions to avoid leaving locks behind.
  System Performance: Regularly monitor system performance and user activity to minimize locking issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the GU758 error message in SAP.