How To Fix OL658 - Interface structures for method & became &

OL658 - Overview

• Message type: E = Error

• Message class: OL - Workflow object types: Run-time system

• Message number: 658

• Message text: Interface structures for method & became &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OL658 - Interface structures for method & became & ?

  The SAP error message OL658 typically indicates an issue related to the interface structures for a method in an Object-Oriented ABAP context. This error can occur when there is a mismatch or inconsistency in the method's interface definition, such as parameters not being correctly defined or implemented.
  
  Cause:
  
  Mismatch in Method Signature: The method signature in the class definition does not match the implementation.
  Changes in Interface: If the interface of a method has been changed (e.g., parameters added or removed) but the implementation has not been updated accordingly.
  Inconsistent Data Types: The data types of the parameters in the method declaration and implementation do not match.
  Missing Interface Implementation: The method is declared in an interface but not implemented in the class.
  
  
  Solution:
  
  Check Method Signature: Verify that the method signature in the class definition matches the implementation. Ensure that the parameters, their types, and the return type are consistent.
  Update Implementation: If changes were made to