How To Fix OO627 - The exception class & cannot be used in the interface

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 627

• Message text: The exception class & cannot be used in the interface

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO627 - The exception class & cannot be used in the interface ?

  The SAP error message OO627 indicates that there is an issue with the use of an exception class in an interface. Specifically, it means that the exception class you are trying to use is not allowed in the context of an interface definition.
  Cause:
  
  Exception Class Definition: In ABAP, exception classes can only be used in certain contexts. If you are trying to declare an exception class in an interface, it must be a standard exception class that is defined in the ABAP Dictionary or a class that is defined as a global class.
  Scope of Exception Classes: Exception classes that are defined locally (within a method or a class) cannot be used in an interface. Only global exception classes can be used.
  Incorrect Declaration: The exception class might not be declared correctly or might not be accessible in the context of the interface.
  
  Solution:
  
  Use Global Exception Classes: Ensure that the exception class you are trying to use is a global exception class. You can create a global exception class in the ABAP Class Builder (transaction SE24) and then use it in your interface.
  Check Class Visibility: Make sure that the exception class is declared as public if it is a custom class. This ensures that it can be accessed from the interface.
  Modify the Interface: If you are using a local exception class, consider redesigning your code to either remove the exception from the interface or to use a global exception class instead.
  Review Documentation: Check the SAP documentation for any specific rules regarding exception handling in interfaces to ensure compliance with best practices.
  
  Related Information:
  
  ABAP Exception Handling: Familiarize yourself with how exception handling works in ABAP, including the use of TRY...ENDTRY blocks and the declaration of exceptions.
  SAP Notes: Look for any relevant SAP Notes that might address specific issues or provide updates related to exception handling in interfaces.
  ABAP Class Builder (SE24): Use this transaction to create and manage your exception classes, ensuring they are defined correctly and are accessible where needed.
  
  By following these guidelines, you should be able to resolve the OO627 error and properly manage exceptions in your ABAP interfaces.