How To Fix REST_CORE_TEXTS030 - Creation of handler class failed (not implementing interface)

SAP Error Message - Details

• Message type: E = Error

• Message class: REST_CORE_TEXTS -

• Message number: 030

• Message text: Creation of handler class failed (not implementing interface)

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message REST_CORE_TEXTS030 - Creation of handler class failed (not implementing interface) ?

  The SAP error message REST_CORE_TEXTS030: Creation of handler class failed (not implementing interface) typically occurs when there is an issue with the implementation of a handler class in the context of SAP's RESTful programming model, particularly when working with the SAP Gateway or OData services.
  
  Cause:
  This error generally arises due to one of the following reasons:
  
  
  Missing Interface Implementation: The handler class that you are trying to create does not implement the required interface. In the context of SAP, handler classes often need to implement specific interfaces to function correctly.
  
  
  Incorrect Class Definition: The class definition may not be correctly set up, or there may be a mismatch between the expected interface and the implemented methods.
  
  
  Naming Conventions: The naming conventions for the handler class or the interface may not be followed, leading to the system being unable to recognize the implementation.
  
  
  Transport Issues: If the class was transported from another system, there might be