How To Fix SWF_EVT002 - Interface & is not supported as event handler

SAP Error Message - Details

• Message type: E = Error

• Message class: SWF_EVT - Messages from Event Manager

• Message number: 002

• Message text: Interface & is not supported as event handler

What causes this issue?

An interface was to be entered as event handler. However, the specified
interface &V1& is not supported as a handler.

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?

Choose an interface that is accepted as an event handler.

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 SWF_EVT002 - Interface & is not supported as event handler ?

  The SAP error message SWF_EVT002 indicates that the specified interface is not supported as an event handler in the context of SAP Business Workflow. This error typically arises when you are trying to use an interface that is not correctly defined or not compatible with the event handling mechanism in SAP.
  Cause:
  
  Incorrect Interface Definition: The interface you are trying to use may not be defined correctly in the system or may not implement the necessary methods required for event handling.
  Missing Event Handler: The event handler for the specified interface might not be implemented or activated in the workflow.
  Incompatible Interface: The interface may not be compatible with the event type you are trying to handle.
  Configuration Issues: There may be configuration issues in the workflow settings or the event linkage.
  
  Solution:
  
  
  Check Interface Definition:
  
  Ensure that the interface you are using is correctly defined in the SAP system.
  Verify that the interface implements all required methods for event handling.
  
  
  
  Implement Event Handler:
  
  If the interface is missing an event handler, you need to implement it. This can be done by creating a class that implements the interface and includes the necessary event handling logic.
  
  
  
  Activate the Event Handler:
  
  Make sure that the event handler is activated in the workflow. You can do this in the workflow configuration settings.
  
  
  
  Review Workflow Configuration:
  
  Check the workflow configuration to ensure that the event is correctly linked to the event handler.
  Verify that the event type is compatible with the interface you are using.
  
  
  
  Testing:
  
  After making the necessary changes, test the workflow to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SWDD (Workflow Builder) to check and modify workflows, and SWFVISU (Workflow Visualization) to visualize the workflow.
  Documentation: Refer to SAP documentation for detailed information on workflow event handling and interface requirements.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.