Error connecting Mc60 modem to Gprs and Mqtt

I am facing error connecting to Gprs I am using firmware MC60CAR01A12.
Greatfull if I can get a. Code to send data to Mqtt server using esp .
Here is my data log
ATI
Quectel_Ltd
Quectel_MC60
Revision: MC69CAR01A12
OK

AT+CREG?
+CREG: 0,1
OK

AT+CSQ
+CSQ: 31,0
Ok

AT+CPIN?
+CPIN: READY
OK

AT+ COPS?
+COPS: 0,0,“airtel”
OK

AT+CFUN?
+CFUN: 1
OK

AT+CIFSR
AT+CIFSR
+CME ERROR: 100

In the GSM network, if a module is required to attach GPRS, SIB13 must be configured, otherwise the module will not ask an ATTACH request.
And could you please tell me what is this command because it seems not a quectel command.