How To Fix WER153 - Method is not a public static method

SAP Error Message - Details

• Message type: E = Error

• Message class: WER - Messages for the package WER

• Message number: 153

• Message text: Method is not a public static method

Self-Explanatory Message

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• What is the cause and solution for SAP error message WER153 - Method is not a public static method ?

  SAP Error Message:
  
  WER153 - Method is not a public static method
  
  Cause:
  This error occurs when a method that is expected to be public and static is either:
  
  Not declared as public (e.g., it is private or protected), or  
  Not declared as static, or  
  Both.
  
  In SAP ABAP, certain framework calls or runtime environments require methods to be public static so they can be called without an instance of the class. For example, when using class-based events, BAdIs, or certain callback methods, the system expects the method signature to be public static.
  
  When does this error typically occur?
  
  When you try to call a method as a static method but the method is not declared static.
  When a framework or runtime environment expects a static method (e.g., in class-based BAdIs, event handlers, or certain SAP standard callbacks).
  When you register a method as a callback or handler but the method does not meet the visibility and static requirements.
  
  
  Solution:
  
  
  Check the method declaration in the class:
  
  Open the class in SE24 or SE80.
  Navigate to the method in question.
  Ensure the method is declared as PUBLIC in the visibility section.
  Ensure the method is declared as STATIC.
  
  Example:
  CLASS my_class DEFINITION.
    PUBLIC SECTION.
      CLASS-METHODS my_method.
  ENDCLASS.
  
  CLASS my_class IMPLEMENTATION.
    METHOD my_method.
      " method code here
    ENDMETHOD.
  ENDCLASS.
  
  
  Modify the method declaration if necessary:
  If the method is currently an instance method (non-static), change it to a class method by adding the CLASS-METHODS keyword in the class definition.
  
  
  Adjust the calling code if you cannot change the method:
  
  If the method cannot be made static, then the calling code should create an instance of the class and call the method on the instance.
  However, if the framework requires a static method, you must adapt the method accordingly.
  
  
  
  
  Related Information:
  
  Static methods in ABAP are called on the class itself, not on an instance.
  Public methods are accessible from outside the class.
  This error is common in class-based BAdIs, event handlers, or callback registrations where the SAP framework expects static methods.
  Check SAP Notes or documentation related to the specific framework or BAdI you are implementing for method signature requirements.
  Example SAP Note related to similar issues: [SAP Note 0000000] (replace with actual note if known).
  
  
  Summary:
  
  
  
  Aspect
  Requirement for method causing WER153 error
  
  
  
  
  Visibility
  Must be PUBLIC
  
  
  Static/Instance
  Must be STATIC (class method)
  
  
  
  
  If you provide the context or code snippet where the error occurs, I can help you with a more specific solution.