Gunicorn with uvicorn.workers.UvicornH11Worker worler raises: h11._util.RemoteProtocolError: illegal request line: bytearray(b'SM')

[HGamalElDiin]

I found this error inside the logs of the application which I don't know which request exactly caused this to reproduce,

What may be the root causes for that, please?

• Initially raised as discussion #...