How To Fix OO302 - Parameter &1 &2 &3: Inconsistency in method/event &1 &2 (MTDTYPE)

OO302 - Overview

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 302

• Message text: Parameter &1 &2 &3: Inconsistency in method/event &1 &2 (MTDTYPE)

Self-Explanatory Message

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OO302 - Details

• The SAP error message OO302 indicates an inconsistency in a method or event related to an object-oriented programming construct in ABAP. This error typically arises when there is a mismatch or inconsistency in the definitions of methods or events in a class or interface.
  
  Cause:
  
  
  Inconsistent Method/Event Definition: The method or event defined in the class or interface does not match the expected signature or parameters. This can happen if:
  
  The method/event was changed in the class but not in the interface or vice versa.
  There are multiple versions of the class/interface, and the system is referencing an outdated version.
  There are issues with the inheritance hierarchy where a subclass does not correctly implement a method from its superclass.
  
  
  
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), inconsistencies may arise if the transport did not include all necessary objects or if there were conflicts during the transport.
  
  
  Code Changes: