How To Fix DNO160 - Notification already confirmed in SAP customer notification system

SAP Error Message - Details

• Message type: E = Error

• Message class: DNO - Messages for General Notifications

• Message number: 160

• Message text: Notification already confirmed in SAP customer notification system

What causes this issue?

The notification has already been confirmed in the SAP problem
notification system.

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?

If the notification does not yet have the status <LS>Confirmed</> in
your Solution Manager System, update the notification with SAP.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DNO160 - Notification already confirmed in SAP customer notification system ?

  The SAP error message DNO160, which states "Notification already confirmed," typically occurs in the SAP Customer Notification System when an attempt is made to confirm a notification that has already been confirmed. This can happen in various scenarios, such as when a user tries to confirm a notification multiple times or when there is a misunderstanding about the status of the notification.
  Cause:
  
  Duplicate Confirmation: The most common cause is that the notification has already been confirmed in the system, and the user is attempting to confirm it again.
  Status Misunderstanding: Users may not be aware of the current status of the notification, leading them to believe it is still open for confirmation.
  System Errors: Occasionally, system errors or inconsistencies in the database can lead to this message being displayed.
  
  Solution:
  
  Check Notification Status: Before attempting to confirm a notification, check its current status in the system. You can do this by navigating to the notification in question and reviewing its details.
  Avoid Duplicate Actions: Ensure that you are not trying to confirm a notification that has already been processed. If you need to make changes, look for options to update or modify the existing confirmation instead.
  Consult Documentation: Refer to SAP documentation or user manuals for guidance on handling notifications and confirmations.
  Contact Support: If you believe this message is appearing in error (e.g., the notification should not be confirmed), contact your SAP support team or system administrator for further investigation.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW21 (Create Notification), IW22 (Change Notification), and IW23 (Display Notification) to manage notifications effectively.
  User Roles and Permissions: Ensure that users have the appropriate roles and permissions to confirm notifications. Sometimes, restrictions can lead to confusion about the status of notifications.
  Training and Best Practices: Provide training for users on how to manage notifications properly to minimize errors and improve efficiency in handling customer notifications.
  
  By following these steps, you should be able to resolve the DNO160 error and manage notifications more effectively in the SAP system.