How To Fix SADT_REST012 - No data type found in content type '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SADT_REST - Messages for ADT REST Framework

• Message number: 012

• Message text: No data type found in content type '&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.

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

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SADT_REST012 - No data type found in content type '&1' ?

  The SAP error message SADT_REST012: No data type found in content type '&1' typically occurs when there is an issue with the content type being used in a REST API call or when processing data in an SAP system. This error indicates that the system is unable to identify a valid data type associated with the specified content type.
  Causes:
  
  Incorrect Content Type: The content type specified in the request may not be recognized or supported by the SAP system.
  Missing Data Type Definition: The data type that should correspond to the content type may not be defined in the system.
  Configuration Issues: There may be configuration issues in the SAP Gateway or the service definition that prevent the system from mapping the content type to a data type.
  API Versioning: If the API version has changed, the expected content type may have been modified or deprecated.
  
  Solutions:
  
  Check Content Type: Ensure that the content type specified in the request (e.g., application/json, application/xml, etc.) is correct and supported by the service you are trying to access.
  Review Service Definition: Check the service definition in the SAP Gateway to ensure that the data types are correctly defined and mapped to the content types.
  Update API Documentation: If you are using an API, refer to the latest API documentation to verify the expected content types and data types.
  Test with Different Content Types: If possible, try using different content types to see if the error persists.
  Debugging: Use transaction codes like /IWFND/ERROR_LOG or /IWFND/TRACE to get more detailed error logs that can help identify the root cause.
  Consult SAP Notes: Check for any relevant SAP Notes or updates that may address this specific error or provide guidance on configuration.
  
  Related Information:
  
  SAP Gateway: Understanding how the SAP Gateway handles REST services and content types can be crucial in troubleshooting this error.
  API Management: Familiarity with API management tools and how they interact with SAP services can help in diagnosing issues related to content types.
  Data Types in SAP: Knowledge of how data types are defined and used in SAP can assist in ensuring that the correct mappings are in place.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support or consulting with a technical expert who specializes in SAP Gateway and REST services.