How To Fix WP129 - Parts of material & are blocked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 129

• Message text: Parts of material & are blocked by another user

What causes this issue?

Part of the material master with number &V1& are currently blocked by
another user or another program.

System Response

You cannot process the data at the moment.

How to fix this error?

Try again later.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WP129 - Parts of material & are blocked by another user ?

  The SAP error message WP129 indicates that a user is trying to access or modify a material that is currently locked by another user. This typically occurs in scenarios where multiple users are working on the same material or when a transaction is not completed, leaving the material in a locked state.
  Cause:
  
  User Lock: Another user is currently editing or processing the material.
  Transaction Incomplete: A previous transaction involving the material was not completed, leaving it in a locked state.
  Background Jobs: A background job may be running that is using the material, causing it to be locked.
  System Errors: Occasionally, system errors or crashes can leave materials in a locked state.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for the other user to finish their work may resolve the issue.
  Identify the Locking User:
  
  Use transaction code SM12 to view the list of locks in the system. You can check which user is holding the lock on the material.
  If you have the necessary permissions, you can unlock the material by deleting the lock entry. However, this should be done with caution and ideally after consulting with the user who holds the lock.
  
  
  Check Background Jobs: Use transaction code SM37 to check if there are any background jobs that might be locking the material. If a job is found, you may need to wait for it to complete or consult with the job owner.
  Complete Pending Transactions: If you suspect that a previous transaction is incomplete, check for any open sessions or transactions that may need to be finalized.
  Contact Support: If the issue persists and you cannot identify the cause, it may be necessary to contact your SAP support team for further assistance.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs.
  SE11: To check the data dictionary for the material.
  
  
  User Roles: Ensure that you have the appropriate permissions to view and manage locks.
  Documentation: Refer to SAP Help documentation for more details on handling locks and user sessions.
  
  Best Practices:
  
  Communicate with team members to avoid simultaneous edits on the same material.
  Regularly monitor and manage background jobs to prevent unnecessary locks.
  Ensure that all users are trained on proper transaction completion to minimize lock occurrences.
  
  By following these steps, you should be able to resolve the WP129 error and manage material locks effectively in SAP.