How To Fix CCMM117 - Reservation &1 is locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CCMM - Message Class for A&D CCM

• Message number: 117

• Message text: Reservation &1 is locked by user &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CCMM117 - Reservation &1 is locked by user &2 ?

  The SAP error message CCMM117 indicates that a reservation (identified by the number &1) is currently locked by another user (identified by user &2). This typically occurs when multiple users are trying to access or modify the same reservation simultaneously, leading to a conflict.
  Cause:
  
  Concurrent Access: Another user is currently editing or has locked the reservation for processing.
  Session Timeout: A previous session may not have released the lock due to a timeout or an unexpected termination.
  System Configuration: Certain configurations in the SAP system may lead to locks being held longer than necessary.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their work and release the lock. You can periodically check if the reservation is still locked.
  Identify the Lock: Use transaction code SM12 to view and manage locks. You can check which user has locked the reservation and the details of the lock.
  Contact the User: If possible, communicate with the user who has the lock to understand their progress and when they expect to release it.
  Release the Lock: If the lock is no longer needed (for example, if the user has left the session), an administrator can manually release the lock using transaction code SM12. However, this should be done with caution to avoid data inconsistencies.
  Check for System Issues: If locks are occurring frequently, it may be worth investigating if there are underlying system issues or if the locking mechanism needs to be optimized.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  SM37: To monitor background jobs that may be affecting the reservation.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on locking mechanisms and best practices for managing concurrent access.
  
  
  User Training: Ensure that users are trained on how to properly manage reservations and understand the implications of locking.
  
  
  By following these steps, you should be able to resolve the CCMM117 error and manage reservations effectively in SAP.