http response fail

Dear Sir/Madam,

I am facing a technical issue while attempting to send data using an MC60 module and the HTTP POST protocol.
I would appreciate it if you could provide some assistance

AT

OK
AT+QIDEACT

DEACT OK
AT+CGATT=1

OK
AT+QIFGCNT=0

OK
AT+QICSGP=1,“mtn”

OK
AT+QIREGAPP

OK
AT+QIACT

OK
AT+QHTTPURL=49,30

CONNECT

OK

AT+QHTTPPOST=43,50,50

CONNECT

+CME ERROR: http response fail