How To Fix /SEHS/DG_DG301 - Engineering change management: Change number &1 is locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SEHS/DG_DG -

• Message number: 301

• Message text: Engineering change management: Change number &1 is locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SEHS/DG_DG301 - Engineering change management: Change number &1 is locked ?

  The SAP error message /SEHS/DG_DG301 indicates that a specific engineering change number (ECN) is locked, which prevents any modifications or actions related to that change number. This locking mechanism is typically in place to ensure data integrity and prevent concurrent modifications that could lead to inconsistencies.
  Cause:
  
  Active Lock: The change number is currently being edited or processed by another user or session.
  Incomplete Transactions: A previous transaction involving the change number may not have been completed, leaving it in a locked state.
  System Configuration: Certain configurations or settings in the Engineering Change Management (ECM) module may enforce locks under specific conditions.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for lock entries related to the change number. You can identify the user or session that is holding the lock.
  Release Locks: If you have the necessary authorizations, you can manually delete the lock entries in SM12. However, be cautious with this approach, as it may lead to data inconsistencies if the other user is actively working on the change number.
  Wait for Release: If the lock is held by another user, it may be best to wait until they complete their work and release the lock naturally.
  Review Workflow: If the change number is part of a workflow, ensure that all steps have been completed and that there are no pending approvals or actions.
  Consult Documentation: Review the relevant SAP documentation or notes for any specific configurations or known issues related to the locking mechanism in the ECM module.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE03 (Transport Organizer Tools) and SE09 (Transport Requests) for managing changes and transports.
  User Authorizations: Ensure that you have the necessary authorizations to view and manage locks in the system.
  SAP Notes: Check for any SAP Notes related to the error message for additional troubleshooting steps or patches that may address the issue.
  System Logs: Review system logs for any related error messages or warnings that could provide further insight into the locking issue.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or support for further investigation.