How To Fix OL594 - Attribute '&' is already implemented in a super type

OL594 - Overview

• Message type: E = Error

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

• Message number: 594

• Message text: Attribute '&' is already implemented in a super type

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OL594 - Attribute '&' is already implemented in a super type ?

  The SAP error message OL594, which states "Attribute '&' is already implemented in a super type," typically occurs in the context of Object-Oriented Programming (OOP) in ABAP when you are trying to define an attribute in a subclass that has already been defined in its superclass. This is a violation of the inheritance principles in OOP, where a subclass cannot redefine an attribute that is already defined in its superclass.
  
  Cause:
  
  Duplicate Attribute Definition: You are attempting to declare an attribute in a subclass that has already been declared in the superclass.
  Inheritance Structure: The class hierarchy is set up in such a way that the subclass is trying to implement an attribute that is already inherited from the superclass.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Remove the Duplicate Declaration: Check the subclass where the error is occurring and remove the attribute declaration that is already defined in the superclass. You