Code 417 errors are often caused by mismatched headers or server-side timeouts.
Try using a tool like Fiddler or Wireshark to see what’s actually being sent.
Also, check if your server supports HTTP/1.1 properly. Some older setups freak out with modern clients.
Try using a tool like Fiddler or Wireshark to see what’s actually being sent.
Also, check if your server supports HTTP/1.1 properly. Some older setups freak out with modern clients.
