How To Fix /PM0/3FWM_TOOL227 - Class &1: error redefining method &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/3FWM_TOOL -

• Message number: 227

• Message text: Class &1: error redefining method &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/3FWM_TOOL227 - Class &1: error redefining method &2 ?

  The SAP error message /PM0/3FWM_TOOL227 Class &1: error redefining method &2 typically occurs in the context of ABAP programming, particularly when working with classes and methods in the SAP environment. This error indicates that there is an issue with redefining a method in a subclass.
  Cause:
  
  
  Method Signature Mismatch: The method being redefined in the subclass does not match the signature of the method in the superclass. This includes differences in parameters, return types, or visibility (e.g., public, protected, private).
  
  
  Incorrect Method Definition: The method in the subclass may not be defined correctly according to the rules of inheritance in ABAP.
  
  
  Abstract Methods: If the method in the superclass is declared as abstract, it must be implemented in the subclass. If it is not, this error can occur.
  
  
  Access Modifiers: If the method in the superclass is defined with a certain access modifier (e.g., protected), and the subclass tries to redefine it with a different access modifier (e.g., public), this can lead to an error.
  
  
  Solution:
  
  
  Check Method Signature: Ensure that the method signature in the subclass exactly matches the method signature in the superclass. This includes the name, parameters, and return type.
  
  
  Implement Abstract Methods: If the method in the superclass is abstract, make sure to provide a complete implementation in the subclass.
  
  
  Review Access Modifiers: Ensure that the access modifiers are consistent between the superclass and subclass. If the superclass method is protected, the subclass method should also be protected or public.
  
  
  Recompile Classes: After making changes, recompile both the superclass and subclass to ensure that the changes take effect.
  
  
  Check for Syntax Errors: Look for any syntax errors in the method definition that might be causing the issue.
  
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for detailed information on class and method definitions, inheritance, and method overriding.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other developers who may have encountered similar issues.
  Debugging Tools: Use the ABAP debugger to step through the code and identify where the error is occurring.
  
  By following these steps, you should be able to resolve the error message /PM0/3FWM_TOOL227 Class &1: error redefining method &2.