How To Fix ATO302 - Unsupported media type. Supported media types: &1&2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: ATO - Adaptation Transport Organizer Messages

• Message number: 302

• Message text: Unsupported media type. Supported media types: &1&2&3&4

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 ATO302 - Unsupported media type. Supported media types: &1&2&3&4 ?

  The SAP error message ATO302, which states "Unsupported media type. Supported media types: &1&2&3&4," typically occurs when there is an issue with the media type being used in a request or operation within the SAP system. This error is often related to the handling of data formats, particularly in scenarios involving web services, APIs, or data uploads.
  Cause:
  
  Incorrect Media Type: The media type specified in the request does not match any of the supported media types listed in the error message. This can happen if the client application is sending a request with an incorrect Content-Type header.
  Configuration Issues: The SAP system may not be configured to accept certain media types, or the service being called may not support the requested format.
  Version Mismatch: There may be a mismatch between the client and server versions, leading to unsupported media types being used.
  
  Solution:
  
  
  Check the Request: Review the request being sent to the SAP system. Ensure that the Content-Type header matches one of the supported media types listed in the error message. Common media types include:
  
  application/json
  application/xml
  text/plain
  application/x-www-form-urlencoded
  
  
  
  Update Client Application: If you are using a client application or a third-party tool to interact with SAP, ensure that it is configured to use one of the supported media types.
  
  
  Review SAP Configuration: Check the configuration of the SAP service or API you are trying to access. Ensure that it is set up to accept the media types you intend to use.
  
  
  Consult Documentation: Refer to the SAP documentation for the specific service or API you are using to confirm the supported media types and any additional requirements.
  
  
  Testing: If possible, use tools like Postman or curl to test the API with different media types to identify which ones are accepted.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this issue or provide additional guidance.
  Logs and Traces: Review the application logs or traces in SAP to gather more context about the error and identify the source of the unsupported media type.
  Community Forums: Consider searching or posting in SAP community forums or support channels for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the ATO302 error and implement a solution to resolve it.