AT command - error 922 using HTTPS server

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you can see here for successful case:

Troubleshooting +CME ERROR: 921 during HTTPS POST on HL7800

Hi, AT+CGATT=0 OK AT+KCNXUP=1 OK +KCNX_IND: 1,4,1 +KCNX_IND: 1,2,1,2,30 AT+KHTTPCFG=1,“api.sandbox.ewaypayments.com”,443,2,0 +KHTTPCFG: 1 OK +KCNX_IND: 1,4,1 +KCNX_IND: 1,2,1,2,30 AT+KHTTPPOST=1,"/DirectPayment.json",1 +CME ERROR: 921 +KCNX_IND: 1,4,1 +KCNX_IND: 1,2,1,2,30 The HL7800 cannot bring up PDP connection after network detachment in your log file. It has not supported this behavior. So you should remove AT +CGATT=0 command. Here is result on my module: AT+KHTTPPOST=1…