How To Fix /SAPSMOSS/01021 - Notification &1 is locked in the SAPNet R/3 Frontend

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPSMOSS/01 -

• Message number: 021

• Message text: Notification &1 is locked in the SAPNet R/3 Frontend

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 /SAPSMOSS/01021 - Notification &1 is locked in the SAPNet R/3 Frontend ?

  The SAP error message /SAPSMOSS/01021 Notification &1 is locked in the SAPNet R/3 Frontend typically indicates that a specific notification (identified by &1, which is a placeholder for the actual notification number) is currently locked and cannot be accessed or modified. This locking mechanism is often in place to prevent concurrent changes that could lead to data inconsistencies.
  Cause:
  
  Concurrent Access: The notification is being accessed or edited by another user or process.
  Session Timeout: A previous session that was editing the notification did not close properly, leaving it in a locked state.
  System Error: An unexpected error or crash may have left the notification in a locked state.
  
  Solution:
  
  Wait and Retry: If another user is editing the notification, you may need to wait until they finish and release the lock.
  Check Lock Entries: Use transaction code SM12 to check for lock entries related to the notification. You can search for the specific notification number to see if it is locked and by whom.
  Release Locks: If you find that the lock is stale (e.g., the user is no longer active), you may have the option to delete the lock entry from SM12. However, this should be done with caution and ideally with the consent of the user who holds the lock.
  Contact Support: If the issue persists, consider reaching out to your SAP Basis team or SAP support for further assistance.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related errors.
  SU01: To check user sessions and their activities.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on locking mechanisms and how to manage them.
  
  
  Best Practices: Encourage users to properly log out of sessions and to communicate when they are working on shared notifications to minimize locking issues.
  
  
  By following these steps, you should be able to resolve the locking issue related to the notification in question.