How To Fix DNO167 - Notification locked by SAP; try again in 5 minutes

DNO167 - Overview

• Message type: E = Error

• Message class: DNO - Messages for General Notifications

• Message number: 167

• Message text: Notification locked by SAP; try again in 5 minutes

What causes this issue?

The notification cannot be changed by SAP because it is locked by SAP
due to missing change authorization. The change authorization has now
been requested.

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 in 5 to 10 minutes.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

DNO167 - Details

• The SAP error message DNO167 indicates that a notification is currently locked by another user or process, and you will need to wait for a specified period (in this case, 5 minutes) before attempting to access or modify the notification again. This locking mechanism is a part of SAP's concurrency control to prevent data inconsistencies when multiple users are trying to access or modify the same data simultaneously.
  Causes:
  
  Concurrent Access: Another user or process is currently editing the notification.
  Long-running Transactions: A transaction that is taking longer than expected may hold the lock on the notification.
  System Performance Issues: If the system is slow, it may take longer for locks to be released.
  Background Jobs: A background job may be processing the notification, causing it to be locked.
  
  Solutions:
  
  Wait and Retry: As the message suggests, wait for 5 minutes and then try again. This is the simplest solution if the lock is temporary.
  Check Lock Entries: