@gskger I've tried both -- the same result:
{
"shortMessage": "Command failed with exit code 32: mount -o -t nfs 192.168.1.200:/volume1/backup-xo/backup /run/xo-server/mounts/813d5bc2-aaaf-4c9f-8841-64eebad52279",
"command": "mount -o -t nfs 192.168.1.200:/volume1/backup-xo/backup /run/xo-server/mounts/813d5bc2-aaaf-4c9f-8841-64eebad52279",
"escapedCommand": "mount -o \"\" -t nfs \"192.168.1.200:/volume1/backup-xo/backup\" \"/run/xo-server/mounts/813d5bc2-aaaf-4c9f-8841-64eebad52279\"",
"exitCode": 32,
"stdout": "",
"stderr": "mount: /run/xo-server/mounts/813d5bc2-aaaf-4c9f-8841-64eebad52279: bad option; for several filesystems (e.g. nfs, cifs) you might need a /sbin/mount.<type> helper program.",
"failed": true,
"timedOut": false,
"isCanceled": false,
"killed": false
}