How To Fix OO336 - Method &1 &2: Triggering event must not be an interface event

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 336

• Message text: Method &1 &2: Triggering event must not be an interface event

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO336 - Method &1 &2: Triggering event must not be an interface event ?

  The SAP error message OO336 typically occurs in the context of Object-Oriented Programming in ABAP, particularly when dealing with events in classes and interfaces. The error message indicates that there is an attempt to trigger an event that is defined in an interface, which is not allowed in SAP's object-oriented framework.
  Cause:
  The error occurs when:
  
  You are trying to trigger an event that is defined in an interface rather than in a concrete class.
  The event is not implemented in the class that is trying to trigger it, or it is being triggered incorrectly.
  
  Solution:
  To resolve the OO336 error, you can take the following steps:
  
  
  Check Event Definition: Ensure that the event you are trying to trigger is defined in a concrete class and not just in an interface. If it is defined in an interface, you need to implement it in a concrete class.
  
  
  Implement the Event: If the event is part of an interface, make sure that the class that is supposed to handle the event implements the interface and provides the necessary event handling logic.
  
  
  Triggering the Event: Ensure that you are triggering the event from an instance of the class that implements the event, not from the interface itself.
  
  
  Review the Code: Look at the code where the event is being triggered. Make sure that you are using the correct syntax and that the event is being triggered in the right context.
  
  
  Check for Inheritance: If you are using inheritance, ensure that the subclass correctly implements the event if it is defined in a superclass or interface.
  
  
  Related Information:
  
  Event Handling in ABAP: In ABAP, events are a way to implement the observer pattern, where an object can notify other objects about changes in its state.
  Interfaces vs. Classes: In ABAP, interfaces can define events, but those events must be implemented in a class. You cannot directly trigger an event from an interface.
  Debugging: Use the ABAP debugger to step through the code and identify where the event is being triggered incorrectly.
  
  By following these steps, you should be able to resolve the OO336 error and ensure that your event handling is correctly implemented in your ABAP programs.