How To Fix OO407 - Execute this action by using /SE24 -> Methods (in enhancement mode)

OO407 - Overview

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 407

• Message text: Execute this action by using /SE24 -> Methods (in enhancement mode)

What causes this issue?

The parameter maintenance of a method added as enhancement to a class
cannot be performed on the popup.

System Response

The action is canceled.

How to fix this error?

The parameter administration has to be executed in the form based class
builder, after the class was toggled in enhancement mode (selecting the
relevant enhancement implementation) and you go on method tab.
On this tab you can press the button 'Parameters' or 'Exceptions' in
order to maintain the parameters of the method.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

OO407 - Details

• The SAP error message OO407 typically indicates that you are trying to execute a method or action that requires you to be in enhancement mode in the ABAP Workbench (SE24). This error often occurs when you are attempting to modify or execute a method of a class that is part of a standard SAP delivery, and the system is preventing you from making changes directly to the standard code.
  
  Cause:
  The error occurs because:
  
  You are trying to execute or modify a method of a class that is not allowed in the current mode (non-enhancement mode).
  The class or method you are trying to access is part of the standard SAP system, and direct modifications are restricted to protect the integrity of the standard code.
  
  
  Solution:
  To resolve this error, you need to follow these steps:
  
  
  Access the Class in Enhancement Mode:
  
  Go to transaction code /SE24 (Class Builder).
  Enter the name of the class you want to work