How To Fix SR273 - Class &1 does not implement the required interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 273

• Message text: Class &1 does not implement the required interface &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SR273 - Class &1 does not implement the required interface &2 ?

  The SAP error message SR273, which states "Class &1 does not implement the required interface &2," typically occurs in the context of ABAP programming and object-oriented development. This error indicates that a class (denoted by &1) is expected to implement a specific interface (denoted by &2), but it does not do so.
  Cause:
  
  Missing Interface Implementation: The class defined does not implement the required interface. This can happen if the class was created without the necessary interface or if the interface was changed after the class was created.
  Typographical Errors: There may be a typo in the class name or the interface name, leading to the system not recognizing the implementation.
  Inheritance Issues: If the class is supposed to inherit from a superclass that implements the interface, and the inheritance is not set up correctly, this error can occur.
  Changes in Interface: If the interface has been modified (e.g., methods added or changed) and the class has not been updated accordingly, this error may arise.
  
  Solution:
  
  
  Implement the Interface: Ensure that the class implements the required interface. You can do this by:
  
  Opening the class in the ABAP Workbench (SE80 or SE24).
  Going to the "Interfaces" tab and adding the required interface if it is not already listed.
  Implementing all the methods defined in the interface within the class.
  
  
  
  Check for Typos: Verify that the names of the class and the interface are spelled correctly in your code.
  
  
  Review Inheritance: If the class is supposed to inherit from another class that implements the interface, check the inheritance settings to ensure they are correctly configured.
  
  
  Update Class: If the interface has changed, update the class to implement any new methods or changes required by the interface.
  
  
  Activate Changes: After making the necessary changes, ensure that you activate both the class and the interface to reflect the updates in the system.
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes SE80 (Object Navigator) or SE24 (Class Builder) to manage classes and interfaces.
  Documentation: Refer to the SAP documentation for more details on object-oriented programming in ABAP and how to implement interfaces.
  Debugging: If you are unsure where the error is occurring, you can use the ABAP debugger to trace the execution and identify where the class is being instantiated or called.
  
  By following these steps, you should be able to resolve the SR273 error and ensure that your class correctly implements the required interface.