How To Fix WD087 - Specify a recipient type for event "&1.&2".

SAP Error Message - Details

• Message type: E = Error

• Message class: WD - Workflow definition

• Message number: 087

• Message text: Specify a recipient type for event "&1.&2".

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WD087 - Specify a recipient type for event "&1.&2". ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WD087 Specify a recipient type for event "&1.&2".
  
  Cause:
  This error occurs in the Web Dynpro ABAP environment when an event is triggered, but the event handler does not have a specified recipient type. In other words, the event is raised, but the framework does not know which component or controller should handle this event because the recipient type is missing or not defined.
  The placeholders &1 and &2 in the message represent the component name and the event name respectively.
  
  Explanation:
  
  In Web Dynpro ABAP, events are used to communicate between components or controllers.
  When you raise an event, you must specify the recipient type (e.g., a controller or a component controller) that will handle this event.
  If the recipient type is not specified, the runtime does not know where to send the event, leading to this error.
  
  
  Common Scenarios:
  
  You have defined an event in a component or controller but forgot to specify the recipient type in the event handler.
  You are trying to raise an event dynamically without proper recipient assignment.
  The event wiring in the Web Dynpro component is incomplete or incorrect.
  
  
  Solution:
  
  
  Check Event Definition:
  
  Go to the Web Dynpro component or controller where the event &2 is defined.
  Verify that the event has a recipient type assigned.
  
  
  
  Assign Recipient Type:
  
  In the Web Dynpro component editor, open the event properties.
  Specify the recipient type (e.g., Component Controller, Window Controller, or a specific controller).
  This tells the framework which controller or component should receive and handle the event.
  
  
  
  Check Event Wiring:
  
  Ensure that the event is properly wired to the handler method in the recipient controller.
  In the component usage or window layout, check the event wiring tab and confirm the event is connected.
  
  
  
  Code Review:
  
  If you are raising the event programmatically, ensure you specify the recipient type when raising the event.
  Example:
  wd_this->fire_<event_name>( ).
  Make sure the event is declared with the correct recipient type.
  
  
  
  
  Re-activate the Component:
  
  After making changes, re-activate the Web Dynpro component to ensure changes take effect.
  
  
  
  
  Additional Information:
  
  This error is specific to Web Dynpro ABAP applications.
  Proper event handling and wiring are crucial for component communication.
  Always define recipient types for events to avoid runtime errors.
  Use the Web Dynpro Component Editor to manage events and their recipients visually.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WD087 Specify a recipient type for event "&1.&2".
  
  
  Cause
  Event raised without specifying recipient type.
  
  
  Solution
  Assign recipient type to the event in the Web Dynpro component/controller.
  
  
  Where to fix
  Web Dynpro Component Editor ? Event properties ? Recipient type.
  
  
  
  
  If you need help with a specific component or code snippet, feel free to provide it!