How To Fix SADT_RESOURCE039 - Unsupported Media Type

SAP Error Message - Details

• Message type: E = Error

• Message class: SADT_RESOURCE - Resource messages

• Message number: 039

• Message text: Unsupported Media Type

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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Smart SAP Assistant

• What is the cause and solution for SAP error message SADT_RESOURCE039 - Unsupported Media Type ?

  The SAP error message SADT_RESOURCE039: Unsupported Media Type typically occurs when there is an issue with the content type of the request being sent to the SAP system. This error is often encountered in scenarios involving SAP Gateway or OData services, where the client application is trying to communicate with the SAP backend.
  Cause:
  
  
  Incorrect Content-Type Header: The most common cause of this error is that the Content-Type header in the HTTP request does not match the expected media type that the SAP service can process. For example, if the service expects application/json but receives text/xml, this error will be triggered.
  
  
  Unsupported Media Type: The request may be using a media type that is not supported by the SAP service. This can happen if the client is configured incorrectly or if there is a mismatch in the expected formats.
  
  
  Configuration Issues: There may be configuration issues in the SAP Gateway or the OData service that prevent it from recognizing the media type being sent.
  
  
  Solution:
  
  
  Check Content-Type Header: Ensure that the Content-Type header in your HTTP request matches the expected media type. For example, if you are sending JSON data, the header should be set to:
  Content-Type: application/json
  
  
  Review API Documentation: Consult the API documentation for the specific OData service you are using to confirm the expected media types for requests and responses.
  
  
  Test with Different Clients: If possible, test the API call using different clients (like Postman or curl) to see if the issue persists. This can help isolate whether the problem is with the client application or the SAP service itself.
  
  
  Check Service Configuration: Review the configuration of the OData service in the SAP system to ensure that it is set up to accept the media types you are trying to use.
  
  
  Debugging: If you have access to the SAP backend, you can enable logging or debugging to get more detailed information about the request and why it is being rejected.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or updates that might address this issue, as there may be patches or updates that resolve known problems.
  
  
  Related Information:
  
  SAP Gateway: This is the technology that allows you to connect to SAP systems using OData services. Understanding how it handles requests and responses can help in troubleshooting.
  OData Protocol: Familiarize yourself with the OData protocol specifications, especially regarding content types and media types.
  HTTP Status Codes: Understanding HTTP status codes can also help in diagnosing issues. The 415 Unsupported Media Type status code is specifically related to this error.
  
  By following these steps, you should be able to identify and resolve the cause of the SADT_RESOURCE039 error in your SAP environment.