How To Fix REST_CORE_TEXTS008 - Invalid response code '&' set

SAP Error Message - Details

• Message type: E = Error

• Message class: REST_CORE_TEXTS -

• Message number: 008

• Message text: Invalid response code '&' set

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 REST_CORE_TEXTS008 - Invalid response code '&' set ?

  The SAP error message REST_CORE_TEXTS008 Invalid response code '&' set typically indicates that there is an issue with the response code returned by a REST API call. This error can occur in various scenarios, often related to the configuration or implementation of the API service.
  Cause:
  
  Invalid Response Code: The API is returning a response code that is not recognized or expected by the SAP system. This could be due to a misconfiguration in the API or an issue with the backend service.
  Network Issues: There may be network connectivity issues that prevent the SAP system from properly communicating with the API.
  Service Unavailability: The external service that the API is trying to reach may be down or not responding correctly.
  Authorization Issues: The API call may be failing due to insufficient permissions or authentication issues, leading to unexpected response codes.
  Incorrect API Endpoint: The endpoint being called may be incorrect, leading to a failure in the request.
  
  Solution:
  
  Check API Response: Use tools like Postman or cURL to manually call the API and check the response code. Ensure that the API is functioning as expected.
  Review API Configuration: Verify the configuration settings in SAP for the API connection. Ensure that the endpoint URL, authentication details, and other parameters are correctly set.
  Network Connectivity: Check for any network issues that might be affecting the connection between SAP and the API. This includes firewall settings, proxy configurations, and VPN connections.
  Error Handling: Implement proper error handling in your API calls to capture and log the response codes. This can help in diagnosing the issue more effectively.
  Consult Documentation: Review the API documentation to ensure that you are using the correct endpoints and that you understand the expected response codes.
  Contact Support: If the issue persists, consider reaching out to SAP support or the support team for the API you are trying to access for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  API Documentation: Review the documentation for the specific API you are working with to understand the expected behavior and response codes.
  Logs: Check the SAP application logs (transaction SLG1) for more detailed error messages that might provide additional context for the issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.