Error: numeric argument required

[bogo]

$machine: v-add-remote-dns-host clustera.mydomain.com 8083 admin Password
/usr/local/vesta/func/remote.sh: line 16: return: Error:: numeric argument required
Error: api connection to clustera.mydomain.com failed

iptabel are on but connection via tcp on 8083 are allowed
replacing the name with the allocated IP wont help same error

Server is running DEB 8.3

on clusterb.mydomain.com which is the DNS slave i dont get the error

thy for your responce

[bogo]

On Ubuntu that one is working but then,
of course something went wront & there are no DNS queries to the Evil Internet, narf!