How To Fix J2436 - Start class conversion - reversal

SAP Error Message - Details

• Message type: E = Error

• Message class: J2 - Message Class for Development Class JBT

• Message number: 436

• Message text: Start class conversion - reversal

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message J2436 - Start class conversion - reversal ?

  The SAP error message J2436, "Start class conversion - reversal," typically occurs in the context of class-based object-oriented programming in ABAP (Advanced Business Application Programming). This error indicates that there is an issue with the conversion of an object from one class to another, particularly when dealing with inheritance or polymorphism.
  
  Cause:
  
  Incorrect Class Hierarchy: The object you are trying to convert may not be compatible with the target class. This can happen if the object is not an instance of the expected class or its subclasses.
  Invalid Type Casting: Attempting to cast an object to a class that it does not inherit from can lead to this error.
  Object Lifecycle Issues: The object may not be properly instantiated or may have been destroyed before the conversion attempt.
  Data Type Mismatch: There may be a mismatch in the expected data types during the conversion process.
  
  
  Solution:
  
  
  Check Class Hierarchy: Ensure that the object you are trying to