How To Fix SY604 - Class constructor of & not yet executed

SY604 - Overview

• Message type: E = Error

• Message class: SY - ABAP/4 system messages

• Message number: 604

• Message text: Class constructor of & not yet executed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SY604 - Class constructor of & not yet executed ?

  The SAP error message SY604 indicates that the class constructor for a specified class has not yet been executed. This typically occurs when you attempt to access a method or property of a class instance before the constructor has been called, which is necessary to initialize the object properly.
  
  Cause:
  
  Class Not Instantiated: The class instance has not been created, or the constructor has not been executed.
  Static Methods: If you are trying to call a non-static method or access a non-static attribute from a static context without instantiating the class.
  Incorrect Sequence of Calls: The sequence of method calls may be incorrect, leading to the constructor not being executed before accessing the class methods or properties.
  
  
  Solution:
  
  Instantiate the Class: Ensure that you create an instance of the class before trying to access its methods or properties. For example:DATA: lo_instance TYPE REF TO your_class.
  CREATE OBJECT lo_instance.
  
  Check Constructor Logic: Verify that the constructor (CONSTRUCTOR) of the