How To Fix /SCWM/L3843 - Planned shipping handling unit &1 processed by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/L3 -

• Message number: 843

• Message text: Planned shipping handling unit &1 processed by user &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/L3843 - Planned shipping handling unit &1 processed by user &2 ?

  The SAP error message /SCWM/L3843 Planned shipping handling unit &1 processed by user &2 typically occurs in the context of SAP Extended Warehouse Management (EWM) when there is an issue related to the handling unit (HU) that is being processed. This error indicates that the planned shipping handling unit (HU) is already being processed by another user, which can lead to conflicts in operations.
  Cause:
  
  Concurrent Processing: The handling unit is being processed by another user or session, which prevents multiple users from making changes to the same HU simultaneously.
  Locking Mechanism: SAP uses a locking mechanism to ensure data integrity. If one user is working on a handling unit, it is locked for others until the first user completes their task.
  Session Timeout: If a user has an open session that has not been properly closed, it may still hold a lock on the handling unit.
  
  Solution:
  
  Check User Sessions: Identify if another user is currently processing the handling unit. You can use transaction codes like SM12 (to check for locks) or SM21 (to check system logs) to see if the HU is locked by another user.
  Wait and Retry: If another user is processing the HU, wait for them to complete their task and then try again.
  Release Locks: If you find that a session is holding a lock unnecessarily (e.g., due to a timeout), you may need to release the lock using transaction SM12. However, be cautious when doing this, as it may disrupt the other user's work.
  Communication: If you are in a team environment, communicate with the user who is processing the HU to coordinate efforts and avoid conflicts.
  System Configuration: If this issue occurs frequently, consider reviewing the system configuration and user roles to ensure that the handling units are being managed effectively.
  
  Related Information:
  
  Handling Units in EWM: Understanding how handling units work in SAP EWM can help in troubleshooting issues related to them. Handling units are used to manage the physical packaging of goods in the warehouse.
  User Authorizations: Ensure that users have the appropriate authorizations to process handling units, as insufficient permissions can also lead to errors.
  SAP Notes: Check for any relevant SAP Notes or updates that may address known issues related to handling units and user processing in EWM.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further assistance.