How To Fix SWN016 - No handler assigned to notification with key &1

SWN016 - Overview

• Message type: E = Error

• Message class: SWN - WF Notif: Messages

• Message number: 016

• Message text: No handler assigned to notification with key &1

What causes this issue?

No handler class could be assigned when creating a notification for the
application object with the key value &V1&. No handler for notifications
has entered for the assigned category.

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?

Enter a handler for notifications in the default category of the
scenario.

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 SWN016 - No handler assigned to notification with key &1 ?

  The SAP error message SWN016 ("No handler assigned to notification with key &1") typically occurs in the context of the SAP Workflow Notification system, particularly when using the SAP Business Workflow or the SAP Business Workplace. This error indicates that there is no handler (or processing function) assigned to the notification that is being triggered.
  
  Cause:
  
  
  Missing Handler Assignment: The most common cause of this error is that the notification type does not have a corresponding handler assigned in the system. This can happen if the notification type is not properly configured or if the necessary function module or method is not defined.
  
  
  Incorrect Configuration: The configuration for the notification type may be incorrect or incomplete, leading to the system being unable to find the appropriate handler.
  
  
  Transport Issues: If the notification type was transported from one system to another (e.g., from development to production), the handler might not have been included in the