How To Fix SADT_REST000 - No application class found for URI: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SADT_REST - Messages for ADT REST Framework

• Message number: 000

• Message text: No application class found for URI: &1

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 SADT_REST000 - No application class found for URI: &1 ?

  The SAP error message SADT_REST000: No application class found for URI: &1 typically occurs in the context of SAP applications that utilize RESTful services. This error indicates that the system is unable to find a corresponding application class for the specified URI, which is essential for processing the request.
  Causes:
  
  Incorrect URI: The URI being accessed may be incorrect or malformed, leading to the system not being able to map it to an application class.
  Missing Application Class: The application class that should handle the request for the specified URI may not be defined or registered in the system.
  Configuration Issues: There may be configuration issues in the SAP Gateway or the OData service that prevent the application class from being recognized.
  Authorization Issues: The user may not have the necessary authorizations to access the application class or the service.
  Service Not Activated: The OData service associated with the URI may not be activated in the SAP Gateway.
  
  Solutions:
  
  Check the URI: Verify that the URI you are trying to access is correct. Ensure that it matches the expected format and is properly constructed.
  Register Application Class: If the application class is missing, you may need to create or register it in the system. This typically involves defining the class in the relevant SAP transaction (e.g., SE80 or SEGW).
  Activate OData Service: Ensure that the OData service associated with the URI is activated. You can do this using transaction /IWFND/MAINT_SERVICE in the SAP Gateway.
  Check Configuration: Review the configuration settings for the SAP Gateway and the OData service to ensure that everything is set up correctly.
  Authorization Check: Ensure that the user has the necessary authorizations to access the service and the application class. You may need to check roles and authorizations in transaction PFCG.
  Debugging: If the issue persists, consider debugging the request to see where the failure occurs. This may provide additional insights into what is going wrong.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  Documentation: Review the official SAP documentation for OData services and SAP Gateway for more detailed information on configuration and troubleshooting.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.