How To Fix /STMC/CR_MSG694 - Error while receiving HTTP response (&1); rc=&2, error=&3

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 694

• Message text: Error while receiving HTTP response (&1); rc=&2, error=&3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /STMC/CR_MSG694 - Error while receiving HTTP response (&1); rc=&2, error=&3 ?

  The SAP error message /STMC/CR_MSG694 indicates that there was an issue while receiving an HTTP response. This error message typically arises in the context of SAP systems that are interacting with external web services or APIs. The message provides specific details about the error, including the return code (rc) and the error message (error).
  Causes
  
  Network Issues: There may be connectivity problems between the SAP system and the external service, such as network outages, firewalls blocking traffic, or DNS resolution issues.
  Service Unavailability: The external web service may be down or not reachable at the moment.
  Timeouts: The request may have timed out due to slow response times from the external service.
  Incorrect Configuration: The HTTP destination in the SAP system may be incorrectly configured, leading to failed requests.
  Authentication Issues: If the external service requires authentication, incorrect credentials or tokens may lead to failed responses.
  Data Format Issues: The data being sent in the request may not be in the expected format, leading to errors in processing.
  
  Solutions
  
  Check Network Connectivity: Ensure that the SAP system can reach the external service. You can use tools like ping or telnet to test connectivity.
  Verify Service Status: Check if the external web service is up and running. You can do this by accessing the service URL directly in a web browser or using tools like Postman.
  Review Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the HTTP client configuration in SAP.
  Check HTTP Destination Configuration: Go to transaction SM59 in SAP and verify the configuration of the HTTP destination. Ensure that the URL, authentication method, and other settings are correct.
  Inspect Logs: Check the SAP application logs (transaction SLG1) for more detailed error messages that may provide additional context.
  Authentication: If the service requires authentication, ensure that the correct credentials are being used and that they have not expired.
  Data Validation: Ensure that the data being sent in the request is correctly formatted and adheres to the expected schema of the external service.
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  Documentation: Review the documentation for the specific web service you are trying to connect to for any specific requirements or limitations.
  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 diagnose and resolve the error message /STMC/CR_MSG694 effectively.