HTTP/1.1 505 HTTP Version Not Supported

Hi, I am getting “HTTP/1.1 505 HTTP Version Not Supported” error. I send the following POST request to my webserver. Can you help me to fix this issue?

Sent commnd: ATI
Sent commnd: AT+QIOPEN=1,0,“TCP”,“uvdi-engineering.herokuapp.com”,80,0,0
Rspnse: ATI
Rspnse: Quectel
spnse: BG95-M3
Rspnse: Revision: BG95M3LAR02A03
Rspnse: OK
Rspnse: AT+QIOPEN=1,0,“TCP”,“uvdi-engineering.herokuapp.com”,80,0,0
Rspnse: OK
Rspnse: +QIOPEN: 0,0
Sent commnd: AT+QISEND=0
Rspnse: AT+QISEND=0

POST /comm/1235 HTTP/1.1
Host: uvdi-engineering.herokuapp.com
Content-Type: application/x-www-form-urlencoded
Content-Length: 18

get_comm_from=val1

Sent commnd: AT+QIRD=0,1000
Rspnse: +QIURC: “recv”,0
Rspnse: AT+QIRD=0,1000
Rspnse: +QIRD: 134
Rspnse: HTTP/1.1 505 HTTP Version Not Supported
Rspnse: Connection: close

hello, could you pls tell us the module type or FW version?