How To Fix MILL_PC314 - Material &1 locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_PC - Mill: Message Pool for Confirmations

• Message number: 314

• Message text: Material &1 locked by another user

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MILL_PC314 - Material &1 locked by another user ?

  The SAP error message MILL_PC314, which states "Material &1 locked by another user," typically occurs when a user attempts to access or modify a material that is currently locked by another user in the system. This locking mechanism is in place to prevent data inconsistencies and ensure that only one user can make changes to a material at a time.
  Cause:
  
  Concurrent Access: Another user is currently editing or processing the material in a transaction that locks it.
  Long-running Transactions: A transaction that takes a long time to complete may hold the lock longer than expected.
  System Errors: Sometimes, a system error or crash may leave a lock in place even if the user is no longer actively using the material.
  Background Jobs: Background jobs or processes that are running may also lock materials.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their transaction. You can retry accessing the material after some time.
  Identify the Lock: Use transaction code SM12 to check for locks. You can see which user is holding the lock on the material. If you have the necessary authorizations, you can unlock it.
  
  Go to transaction SM12.
  Enter the material number in the appropriate field and execute.
  Identify the user holding the lock.
  
  
  Contact the User: If you identify the user holding the lock, you can contact them to see if they can release the lock.
  System Administrator Intervention: If the lock is due to a system error or if the user is no longer active, a system administrator may need to intervene to release the lock.
  Check Background Jobs: If a background job is causing the lock, you may need to wait for it to complete or check with the job owner.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks are typically managed at the database level, and SAP uses various types of locks (e.g., exclusive, shared).
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any errors that might indicate why a lock is persisting.
  SM37: To monitor background jobs that might be affecting material access.
  
  
  User Training: Ensure that users are trained on how to properly exit transactions to avoid leaving locks in place.
  
  By following these steps, you should be able to resolve the MILL_PC314 error and regain access to the locked material.