How To Fix /UI2/FDM009 - Method not implemented

/UI2/FDM009 - Overview

• Message type: E = Error

• Message class: /UI2/FDM -

• Message number: 009

• Message text: Method not implemented

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.

Unfortunately, there isn't any extra information in this error notice.

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/UI2/FDM009 - Details

• The SAP error message /UI2/FDM009 Method not implemented typically occurs in the context of SAP Fiori applications, particularly when there is an issue with the implementation of a specific method in the backend service or when the frontend is trying to call a method that has not been properly defined or implemented.
  Causes:
  
  Missing Implementation: The method being called in the OData service is not implemented in the backend.
  Service Not Activated: The OData service might not be activated in the SAP Gateway.
  Incorrect Service Version: The frontend might be calling a version of the service that does not have the required method implemented.
  Authorization Issues: The user might not have the necessary authorizations to access the method.
  
  Configuration Issues: There could be configuration issues in the Fiori app or the OData service.
  
  Solutions:
  
  
  Check OData Service Implementation:
  
  Go to the SAP Gateway Service Builder (transaction code SEGW) and check if the method is implemented in the service.
  If it