How To Fix WD443 - Event '&' not found

WD443 - Overview

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 443

• Message text: Event '&' not found

Self-Explanatory Message

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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.

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WD443 - Details

• SAP Error Message:
  WD443 Event '&' not found
  
  
  Cause:
  This error occurs in Web Dynpro applications when an event that the application tries to trigger or handle does not exist or is not defined in the component or controller. The placeholder & in the message is replaced by the actual event name at runtime.
  Common reasons include:  
  
  Typo or incorrect event name in the code (e.g., in the method fireEvent or event handler assignment).  
  The event was not declared in the interface of the component or controller.  
  The event was removed or renamed but the code still references the old event name.  
  Trying to trigger an event on a UI element or controller that does not support it.
  
  
  
  Solution:
  
  
  Check the Event Name:
  Verify the exact event name used in the code where the event is fired or handled. Make sure it matches the event declared in the Web Dynpro component or controller