How To Fix DNO010 - Notification &1 blocked by USER &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DNO - Messages for General Notifications

• Message number: 010

• Message text: Notification &1 blocked by USER &2

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 DNO010 - Notification &1 blocked by USER &2 ?

  The SAP error message DNO010 indicates that a notification (identified by the number &1) is blocked by a user (identified by the user ID &2). This typically occurs in the context of maintenance notifications or service notifications within the SAP system, particularly in the Plant Maintenance (PM) or Customer Service (CS) modules.
  Cause:
  The error message is triggered when a user attempts to access or modify a notification that has been locked by another user. This locking mechanism is in place to prevent concurrent modifications that could lead to data inconsistencies. The user who has locked the notification may be in the process of editing it or has not yet released the lock after completing their work.
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Identify the Locking User: Check who the user is that has locked the notification. This is indicated by the user ID &2 in the error message.
  
  
  Contact the Locking User: If possible, reach out to the user who has locked the notification to see if they can release the lock. They may need to complete their changes or explicitly save and exit the notification.
  
  
  Wait for Automatic Release: Locks in SAP are usually released automatically after a certain period of inactivity. If the locking user is not available, you may need to wait for the lock to be released automatically.
  
  
  Use Transaction SM12: If the lock is not released and you have the necessary authorizations, you can check the lock entries using transaction SM12. Here, you can see all the locks in the system and can delete the lock if it is no longer valid (e.g., if the user has logged off unexpectedly).
  
  
  Check for Background Jobs: Sometimes, background jobs may hold locks on notifications. Ensure that no background processes are currently running that might be holding the lock.
  
  
  Consult with Basis Team: If you are unable to resolve the issue, it may be necessary to consult with your SAP Basis team. They can provide assistance in identifying and resolving locking issues.
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM12: To view and manage lock entries.
  IW21/IW22/IW23: To create, change, or display notifications.
  
  
  
  Locking Mechanism: SAP uses a locking mechanism to ensure data integrity. Understanding how locks work in SAP can help in troubleshooting similar issues in the future.
  
  
  User Authorizations: Ensure that users have the appropriate authorizations to access and modify notifications, as this can also lead to confusion regarding locks.
  
  
  By following these steps, you should be able to resolve the DNO010 error and regain access to the blocked notification.