How To Fix /SCWM/UI018 - Door &1 locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/UI -

• Message number: 018

• Message text: Door &1 locked by user &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/UI018 - Door &1 locked by user &2 ?

  The SAP error message /SCWM/UI018 Door &1 locked by user &2 typically occurs in the context of the Extended Warehouse Management (EWM) module when a user attempts to access or perform an operation on a door (loading/unloading bay) that is currently locked by another user. This locking mechanism is in place to prevent conflicts and ensure data integrity when multiple users are working in the system.
  Cause:
  
  Concurrent Access: Another user is currently using the door for a transaction, such as loading or unloading goods.
  Session Timeout: A user may have left a session open, which keeps the door locked even if they are no longer actively using it.
  System Configuration: The system may be configured to lock doors for specific operations, and if a user does not release the lock properly, it can lead to this error.
  
  Solution:
  
  Wait for Release: The simplest solution is to wait until the other user completes their operation and releases the lock on the door.
  Identify the User: If you have the necessary permissions, you can check which user has locked the door. This can often be done through transaction codes like SM12 (to view lock entries) or by checking the relevant logs in EWM.
  Contact the User: If possible, contact the user who has locked the door to ask them to complete their transaction or to release the lock.
  Force Unlock (if necessary): If the lock is not being released and it is critical to proceed, a system administrator can forcefully unlock the door. This should be done with caution, as it may lead to data inconsistencies if the other user is still performing operations.
  Review System Settings: If this issue occurs frequently, it may be worth reviewing the system settings and user training to ensure that users are aware of how to properly release locks.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (to view and manage lock entries) and /SCWM/DOOR (to manage doors in EWM).
  User Training: Ensure that users are trained on how to properly manage their sessions and release locks when they are done.
  System Monitoring: Implement monitoring tools or reports to track door usage and identify potential bottlenecks in operations.
  
  By following these steps, you should be able to resolve the error and minimize its occurrence in the future.