How To Fix MM112 - The base unit of measure for the material & is locked by the user &

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 112

• Message text: The base unit of measure for the material & is locked by the user &

What causes this issue?

You wanted to change the base unit of measure for the material. This
requires the old base unit to be locked to ensure that no other
application (such as Purchasing when creating a purchase order)
accesses it when it is being changed. However, the old base unit could
not be locked because another area is already accessing it.

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?

Try to change the base unit of measure again later.

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 MM112 - The base unit of measure for the material & is locked by the user & ?

  The SAP error message MM112 indicates that the base unit of measure for a material is locked by a user. This typically occurs when a user is trying to perform an operation (like changing the material master data) on a material whose base unit of measure is currently being edited or locked by another user.
  Cause:
  
  User Lock: The base unit of measure is locked because another user is currently editing the material master data.
  Transaction in Progress: A transaction that involves the material is still in progress, preventing changes to the base unit of measure.
  System Lock: Sometimes, system locks can occur due to background jobs or processes that are accessing the material.
  
  Solution:
  
  
  Check User Locks: 
  
  Use transaction code SM12 to check for user locks on the material. Look for the user who has locked the material and the transaction that is causing the lock.
  If you find a lock that is no longer needed, you can delete it (if you have the necessary authorizations).
  
  
  
  Wait for Release: 
  
  If another user is legitimately working on the material, you may need to wait until they finish their task and release the lock.
  
  
  
  Contact the User: 
  
  If you identify the user who has locked the material, you can reach out to them to understand their needs and coordinate the changes.
  
  
  
  Check Background Jobs: 
  
  Use transaction code SM37 to check if there are any background jobs that might be locking the material. If you find any, you may need to wait for them to complete or consult with your basis team.
  
  
  
  System Restart: 
  
  In rare cases, if the lock persists and is not being released, a system restart may be necessary, but this should be done with caution and typically involves coordination with your IT department.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM02: Change Material Master
  MM03: Display Material Master
  SM12: Display and Delete Locks
  SM37: Job Monitoring
  
  
  User Authorization: Ensure that you have the necessary authorizations to view and delete locks if needed.
  Documentation: Refer to SAP Help documentation for more details on material master data management and user locks.
  
  By following these steps, you should be able to resolve the MM112 error and proceed with your tasks related to the material master data.