How To Fix Q3161 - Data locked by user & (display only)

SAP Error Message - Details

• Message type: E = Error

• Message class: Q3 - QM Master Data Messages: Catalogs

• Message number: 161

• Message text: Data locked by user & (display only)

What causes this issue?

You tried to get change access to data that is currently being
processed by user &V1&.

System Response

The system only allows data to be changed by one user at one time.

How to fix this error?

You can do one of the following:
Confirm the message to view the data in display mode
Exit the transaction and try again later
Hinweis
So as not to block code groups for all users, try to avoid editing the
entire catalog. Instead, call only the code group you require.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message Q3161 - Data locked by user & (display only) ?

  The SAP error message Q3161, which states "Data locked by user & (display only)," typically occurs when a user attempts to access or modify a record that is currently locked by another user. This locking mechanism is a part of SAP's data integrity and concurrency control, ensuring that multiple users do not make conflicting changes to the same data simultaneously.
  Cause:
  
  User Locking: Another user is currently editing or has locked the data you are trying to access. This can happen in various transactions, especially in modules like Quality Management (QM) or Material Management (MM).
  Session Lock: Sometimes, a session may not have been properly closed, leaving the data locked.
  Background Jobs: A background job may be processing the data, causing it to be locked for other users.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for the other user to finish their work may resolve the issue. You can try accessing the data again after some time.
  Identify the Lock: Use transaction code SM12 to check for locks. You can see which user is holding the lock and the object that is locked. If you have the necessary authorizations, you can unlock the data.
  Contact the User: If you identify the user who has locked the data, you can reach out to them to see if they can release the lock.
  Release the Lock: If the lock is no longer needed (e.g., the user has logged off), you can manually release it using transaction SM12. Be cautious with this approach, as it may lead to data inconsistencies if the user is still working on the data.
  Check for Background Jobs: If a background job is causing the lock, you may need to wait for it to complete or check with your system administrator.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  SM37: To monitor background jobs that may be causing locks.
  
  
  User Authorizations: Ensure that you have the necessary authorizations to view and manage locks.
  SAP Notes: Check SAP Notes for any specific issues or patches related to the error message Q3161, as there may be updates or fixes provided by SAP.
  
  If the problem persists or if you are unsure about releasing locks, it is advisable to consult with your SAP Basis team or system administrator for further assistance.