How To Fix RM020 - User &1 is blocking production version &2 of mat. &3

SAP Error Message - Details

• Message type: E = Error

• Message class: RM - Messages for Repetitive Manufacturing

• Message number: 020

• Message text: User &1 is blocking production version &2 of mat. &3

What causes this issue?

Production version &V2& of material &V3& cannot be processed at the
moment as it is blocked by user &V1&. You may also be blocking yourself
in another session.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check whether you are processing this production version with either
the same or with a different transaction in another session. Otherwise
you must wait until the other user has finished processing and the
production version is no longer blocked.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RM020 - User &1 is blocking production version &2 of mat. &3 ?

  The SAP error message RM020 indicates that a specific user is blocking a production version of a material. This typically occurs when a production version is being edited or is in use by another user, preventing other users from making changes or processing transactions related to that production version.
  Cause:
  
  User Lock: The user mentioned in the error message has locked the production version for editing. This can happen if they are currently working on it or if a previous session did not release the lock properly.
  Transaction in Progress: The user may be in the middle of a transaction that involves the production version, such as creating or modifying a production order.
  System Error: Occasionally, system errors or crashes can lead to locks not being released properly.
  
  Solution:
  
  Wait and Retry: If the user is actively working on the production version, you may need to wait until they finish and release the lock.
  Identify the User: Use transaction code SM12 to check for locks. You can search for the user ID mentioned in the error message and see if they have an active lock on the production version.
  Release the Lock: If you determine that the lock is no longer needed (for example, if the user has logged off or the session is stuck), you can manually delete the lock from transaction SM12. Be cautious when doing this, as it may disrupt the user's work.
  Check for Background Jobs: Sometimes, background jobs may also hold locks. Check transaction SM37 to see if any jobs are running that might be related to the production version.
  Consult with the User: If possible, communicate with the user who is blocking the production version to understand their needs and coordinate the release of the lock.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To check background jobs.
  CO02: To change production orders, which may be related to the production version.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to locking mechanisms or known bugs.
  User Training: Ensure that users are trained on how to properly release locks and manage their sessions to avoid unnecessary blocking.
  
  If the issue persists or if you encounter additional complications, it may be beneficial to consult with your SAP Basis team or technical support for further assistance.