How To Fix C2117 - All selected reservations are locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: C2 - Other messages production orders

• Message number: 117

• Message text: All selected reservations are locked by another user

What causes this issue?

All the reservations for the components selected are locked by another
user.

System Response

Only those material components can be commissioned for which the
reservations are not locked by another user.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message C2117 - All selected reservations are locked by another user ?

  The SAP error message C2117, which states "All selected reservations are locked by another user," typically occurs when a user attempts to access or modify reservations that are currently locked by another user. This can happen in various SAP modules, particularly in materials management (MM) or production planning (PP).
  Cause:
  
  Concurrent Access: Another user is currently editing or processing the same reservations, which locks the records for other users.
  Session Timeout: A previous session may not have been properly closed, leaving the reservations locked.
  System Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If a reservation is being processed, it will be locked until the process is completed or the user releases the lock.
  Long-running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected.
  
  Solution:
  
  Wait and Retry: If the reservation is locked by another user, the simplest solution is to wait until the other user has completed their task and released the lock. You can periodically check if the lock has been released.
  Identify the Lock: Use transaction code SM12 to check for locks. You can see which user is holding the lock and the object that is locked. If necessary, you can contact the user to ask them to release the lock.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock in transaction SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other user is still working on the reservation.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check transaction SM37 to see if any background jobs are running that might be causing the lock.
  Review User Sessions: Ensure that there are no orphaned sessions that might be holding locks. You can check active sessions in transaction SM04.
  Consult with IT Support: If the issue persists, it may be necessary to consult with your SAP Basis team or IT support for further investigation.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks are typically managed at the database level, and SAP uses various types of locks (e.g., exclusive, shared).
  User Authorizations: Ensure that users have the appropriate authorizations to access and modify reservations.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To view and manage locks.
  SM04: To view active user sessions.
  SM37: To monitor background jobs.
  
  
  Documentation: Refer to SAP documentation or help files for more detailed information on handling locks and reservations.
  
  By following these steps, you should be able to resolve the C2117 error and understand the underlying causes of the locking issue.