How To Fix 1S437 - HTTP error occurred: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 1S - Messages for SSF ("Secure Store & Forward")

• Message number: 437

• Message text: HTTP error occurred: &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.

What else can you do?

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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 1S437 - HTTP error occurred: &1 ?

  The SAP error message "1S437 HTTP error occurred: &1" typically indicates that there was an issue with an HTTP request made from the SAP system to an external service or resource. The "&1" in the message will be replaced with the specific HTTP error code that was returned, such as 404 (Not Found), 500 (Internal Server Error), etc.
  Causes:
  
  Network Issues: There may be connectivity problems between the SAP system and the external service.
  Incorrect URL: The URL being accessed may be incorrect or malformed.
  Service Unavailability: The external service may be down or not responding.
  Authentication Issues: If the external service requires authentication, there may be issues with the credentials being used.
  Firewall/Proxy Issues: Firewalls or proxy settings may be blocking the request.
  Configuration Issues: Incorrect configuration in the SAP system for the HTTP connection.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the external service. You can use tools like ping or traceroute to diagnose network issues.
  Verify the URL: Double-check the URL being used in the HTTP request to ensure it is correct.
  Check Service Status: Verify that the external service is up and running. You can try accessing the URL directly from a web browser or using tools like curl or Postman.
  Review Authentication: If the service requires authentication, ensure that the correct credentials are being used and that they have not expired.
  Inspect Firewall/Proxy Settings: Check if there are any firewall rules or proxy settings that might be blocking the request from the SAP system.
  Review SAP Configuration: Check the configuration settings in the SAP system for the HTTP connection. This includes settings in transaction codes like SO10 (for text objects) or SM59 (for RFC destinations).
  Check SAP Logs: Review the SAP application logs (transaction SLG1) for more detailed error messages that might provide additional context.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address specific HTTP error codes or issues related to your version of SAP.
  Documentation: Review the SAP documentation for the specific module or functionality you are working with, as it may provide insights into common issues and their resolutions.
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with your SAP Basis team or SAP support for further assistance.