SFTP BG95 SSL authentication failed

Hi,
I am using BG95-m3 trying download and upload files from SFTP server.

I follow the FTP application note BG95. I successfully download and upload files using FTP connection. But I am getting errors in the SFTP connection. At commands, logs are shown below.

4:48:29.819> AT
4:48:29.819>
4:48:29.819> OK
4:48:40.689> AT+QIACT=1
4:48:41.876>
4:48:41.942> OK
4:48:45.189> AT+QIACT?
4:48:45.189>
4:48:45.189> +QIACT: 1,1,1,“10.69.206.62”
4:48:45.189>
4:48:45.189> OK
4:48:55.751> AT+QFTPCFG=“contextid”,1
4:48:55.751>
4:48:55.751> OK
4:49:04.943> AT+QFTPCFG=“account”,“user”,“password”
4:49:04.943>
4:49:04.943> OK
4:49:32.252> AT+QFTPCFG=“filetype”,0
4:49:32.252>
4:49:32.252> OK
4:49:36.503> AT+QFTPCFG=“transmode”,1
4:49:36.503>
4:49:36.503> OK
4:49:44.315> AT+QFTPCFG=“rsptimeout”,90
4:49:44.315>
4:49:44.315> OK
4:49:52.315> AT+QFTPCFG=“ssltype”,1
4:49:52.315>
4:49:52.315> OK
4:50:00.439> AT+QFTPCFG=“sslctxid”,0
4:50:00.439>
4:50:00.439> OK
4:50:08.814> AT+QFTPCFG=“data_sslctxid”,1
4:50:08.814>
4:50:08.814> +CME ERROR: 610
4:50:27.565> AT+QSSLCFG=“ciphersuite”,0,0XFFFF
4:50:27.565>
4:50:27.565> OK
4:50:36.081> AT+QSSLCFG=“ciphersuite”,1,0XFFFF
4:50:36.081>
4:50:36.081> OK
4:50:43.083> AT+QSSLCFG=“seclevel”,0,0
4:50:43.083>
4:50:43.083> OK
4:50:51.285> AT+QSSLCFG=“seclevel”,1,0
4:50:51.285>
4:50:51.285> OK
4:50:58.847> AT+QSSLCFG=“sslversion”,0,4
4:50:58.847>
4:50:58.847> OK
4:51:06.676> AT+QSSLCFG=“sslversion”,1,4
4:51:06.676>
4:51:06.676> OK
4:51:16.626> AT+QFTPOPEN=“50.116.19.43”,909
4:51:16.626>
4:51:16.626> OK
4:51:18.237>
4:51:18.237> +QFTPOPEN: 631,0

Getting one error with this command
4:50:08.814> AT+QFTPCFG=“data_sslctxid”,1
4:50:08.814>
4:50:08.814> +CME ERROR: 610

Any suggestion or help highly appreciated.

Thanks
Muhammad Shahzad

BG 95 suport FTps ,but it does not support SFTP protocol , thanks