How To Fix ATO_CTMS_INBOUND009 - Service only supports Content Type application/json

SAP Error Message - Details

• Message type: E = Error

• Message class: ATO_CTMS_INBOUND - CTMS Inbound Integration

• Message number: 009

• Message text: Service only supports Content Type application/json

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ATO_CTMS_INBOUND009 - Service only supports Content Type application/json ?

  The SAP error message ATO_CTMS_INBOUND009 indicates that the service you are trying to access only supports the content type application/json. This error typically occurs when a request is made to an SAP service (like an OData service or a REST API) with an incorrect or unsupported content type.
  Cause:
  
  Incorrect Content-Type Header: The request being sent to the SAP service does not have the correct Content-Type header. For example, it might be set to application/xml, text/plain, or not set at all.
  Client Configuration: The client (e.g., Postman, a web application, or another service) making the request may not be configured to send JSON data.
  API Misconfiguration: The API endpoint may be misconfigured or not properly set up to handle requests other than JSON.
  
  Solution:
  
  
  Set Correct Content-Type: Ensure that the request includes the correct Content-Type header. It should be set to application/json. For example, in a REST client, you can set it like this:
  Content-Type: application/json
  
  
  Check Request Body: If you are sending a request body, ensure that it is formatted as valid JSON. Invalid JSON can also lead to errors.
  
  
  Review Client Code: If you are using a programming language to make the request (like JavaScript, Python, etc.), ensure that the code is correctly setting the headers. For example, in JavaScript using fetch:
  fetch('your-api-endpoint', {
      method: 'POST',
      headers: {
          'Content-Type': 'application/json'
      },
      body: JSON.stringify(yourData)
  });
  
  
  Test with Tools: Use tools like Postman or curl to manually test the API with the correct headers and body to ensure that the service is functioning as expected.
  
  
  Check API Documentation: Review the API documentation for any specific requirements regarding headers and request formats.
  
  
  Related Information:
  
  SAP API Management: If you are using SAP API Management, ensure that the API proxy is configured correctly to handle JSON requests.
  Error Handling: Implement error handling in your application to catch and log such errors for easier debugging in the future.
  SAP Notes: Check SAP Notes or the SAP Community for any known issues or updates related to the specific service you are using.
  
  By ensuring that the request is properly formatted and adheres to the expected content type, you should be able to resolve the ATO_CTMS_INBOUND009 error.