Getting error when i am connecting to server?

{
“protocol”: “sftp”,
“host”: “10.2.10.10”,
“port”: “22”,
“user”: “username”,
“pass”: “**********”,
“promptForPass”: false,
“remote”: “/opt/home”,
“local”: “”,
“agent”: “”,
“privatekey”: “”,
“passphrase”: “”,
“hosthash”: “”,
“ignorehost”: true,
“connTimeout”: 10000,
“keepalive”: 10000,
“keyboardInteractiveForPass”: true,
“remoteCommand”: “”,
“remoteShell”: “”,
“watch”: ,
“watchTimeout”: 500,
“session”: “”,
“rs_name”: “”,
“rs_tags”:
}
lo

Please help me for configuration?

i am using version 2.2.4

You have an old version

how to install new version of remote-ftp?