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

C2117 - Overview

• 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.

C2117 - Details

• 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