How To Fix MPE_CM_BOM009 - Part Type &1 is locked by user &2

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_CM_BOM - Message Class for Parameter Effectivity

• Message number: 009

• Message text: Part Type &1 is locked by user &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_CM_BOM009 - Part Type &1 is locked by user &2 ?

  The SAP error message MPE_CM_BOM009 indicates that a specific part type (in this case, represented by &1) is currently locked by a user (represented by &2). This typically occurs in the context of managing Bill of Materials (BOM) or similar master data where concurrent access is restricted to prevent data inconsistencies.
  Cause:
  
  User Locking: The part type is being edited or accessed by another user, which causes a lock to be placed on it. This is a common scenario in multi-user environments where multiple users may attempt to modify the same data simultaneously.
  System Lock: The system may have a temporary lock due to a transaction that has not been completed or has been left open.
  Long-running Transactions: If a user has a long-running transaction that involves the part type, it can lead to a lock being held for an extended period.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for the other user to complete their transaction may resolve the issue. You can try to access the part type again after some time.
  Identify the Locking User: Use transaction code SM12 to view the list of locks in the system. You can search for the specific part type and see which user is holding the lock. If necessary, you can contact that user to coordinate access.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock from transaction SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other user is still working on the part type.
  Check for Background Jobs: Sometimes, background jobs may hold locks. Check transaction SM37 to see if there are any jobs that might be causing the lock.
  System Configuration: If this issue occurs frequently, it may be worth reviewing the system configuration and user access patterns to minimize locking conflicts.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM37: Monitor background jobs.
  SE11: Data dictionary to check the structure of the part type.
  
  
  User Communication: If you identify the user holding the lock, communicate with them to understand if they are still working on the part type or if they can release it.
  Documentation: Refer to SAP documentation or support notes related to BOM management and locking mechanisms for more detailed guidance.
  
  By following these steps, you should be able to resolve the MPE_CM_BOM009 error and gain access to the locked part type.