How To Fix OO322 - Exception &1 &2 &3: Invalid method type (MTDTYPE)

OO322 - Overview

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 322

• Message text: Exception &1 &2 &3: Invalid method type (MTDTYPE)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO322 - Exception &1 &2 &3: Invalid method type (MTDTYPE) ?

  The SAP error message OO322, which states "Exception &1 &2 &3: Invalid method type (MTDTYPE)," typically occurs in the context of Object-Oriented Programming (OOP) in ABAP. This error indicates that there is an issue with the method type being used in a class or interface.
  
  Cause:
  
  Invalid Method Type: The error usually arises when a method is called with an incorrect type or when the method is not defined properly in the class or interface.
  Inheritance Issues: If a method is being overridden in a subclass but does not match the signature of the method in the superclass, this can lead to this error.
  Dynamic Method Calls: If you are using dynamic method calls (e.g., using CALL METHOD), and the method type does not match the expected type, this error can occur.
  Typographical Errors: Simple typos in method names or parameters can also lead to this error.
  
  
  Solution:
  
  Check Method Definition: Verify that the method is defined