How To Fix AQ544 - InfoSet catalog locked by &

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 544

• Message text: InfoSet catalog locked by &

What causes this issue?

Unable to save the functional area at present because the specified
user has locked the functional area directory.

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 again later. Normally, the functional area directory is locked only
for a short time.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ544 - InfoSet catalog locked by & ?

  The SAP error message AQ544 indicates that an InfoSet catalog is locked by a user or process, which prevents other users from accessing or modifying it. This can occur in various scenarios, such as when a user is editing an InfoSet or when a background job is running that locks the InfoSet.
  Cause:
  
  User Lock: A user is currently editing the InfoSet, which locks it for other users.
  Background Job: A background job is running that requires exclusive access to the InfoSet.
  System Error: A previous session may not have released the lock due to an error or crash.
  
  Solution:
  
  
  Identify the Locking User: 
  
  Use transaction code SM12 to check for locks. You can filter by the user ID mentioned in the error message.
  If the locking user is identified and is not actively using the InfoSet, you can ask them to release the lock.
  
  
  
  Release the Lock:
  
  If the locking user is not available, and you have the necessary authorizations, you can manually delete the lock entry in SM12. Be cautious with this approach, as it may lead to data inconsistency if the user is indeed working on the InfoSet.
  
  
  
  Wait for the Lock to Release: 
  
  If the lock is due to a background job, you may need to wait for the job to complete. You can check the status of background jobs using transaction SM37.
  
  
  
  Check for System Issues: 
  
  If the lock persists and you suspect a system issue, consider restarting the relevant application server or contacting your SAP Basis team for assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM37: To monitor background jobs.
  SE11: To view and edit InfoSets (if you have the necessary permissions).
  
  
  
  Documentation: Refer to SAP Help documentation for more details on InfoSets and locking mechanisms.
  
  
  Best Practices: 
  
  Ensure that users are aware of the locking behavior when editing InfoSets.
  Regularly monitor and manage background jobs to avoid unnecessary locks.
  
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team for further investigation.