How To Fix M7749 - Inventory sampling & & is blocked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: M7 - Inventory Management and Physical Inventory

• Message number: 749

• Message text: Inventory sampling & & is blocked by another user

INCLUDE MB_NA_BELEG_GESPERRT

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message M7749 - Inventory sampling & & is blocked by another user ?

  The SAP error message M7749, which states "Inventory sampling & & is blocked by another user," typically occurs in the context of inventory management and sampling processes. This error indicates that the inventory sampling process you are trying to access or modify is currently locked by another user, preventing you from proceeding with your actions.
  Cause:
  
  Concurrent Access: Another user is currently working on the same inventory sampling document or transaction, which locks it for editing.
  Session Timeout: A previous session may not have been properly closed, leaving the document in a locked state.
  System Configuration: Certain configurations in the SAP system may lead to locking issues, especially if the system is set to enforce strict locking mechanisms.
  
  Solution:
  
  Wait and Retry: If another user is working on the document, the simplest solution is to wait until they finish and release the lock. You can periodically check if the document is available.
  Identify the Lock: Use transaction code SM12 to check for locks in the system. You can see which user is holding the lock and the specific document that is locked.
  Contact the User: If you identify the user who has the lock, you can reach out to them to see if they can release the document or if they are finished with their work.
  Release the Lock: If necessary and if you have the appropriate permissions, you can manually delete the lock using transaction SM12. However, this should be done with caution, as it may disrupt the other user's work.
  Check for Background Jobs: Sometimes, background jobs may also hold locks. Check if any background processes are running that might be causing the lock.
  System Configuration Review: If this issue occurs frequently, it may be worth reviewing the system configuration and user access settings to ensure that they are optimized for concurrent usage.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to view and manage locks), SM21 (to check system logs), and ST22 (to check for dumps).
  User Training: Ensure that users are trained on how to properly close sessions and manage inventory sampling to minimize locking issues.
  SAP Notes: Check SAP Notes for any known issues or patches related to inventory sampling and locking mechanisms.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or technical support for further assistance.