Edit a device and add a "HTTP API" type management profile. Click "Check connectivity". A red box will show up with

" undefined failed.

Error message: undefined"

If other profiles are present they show the expected green box with OK

The management profile seems to work. In my case arp data is indeed collected from the PaloAlto firewall.

OS: FreeBSD 13.4
NAV: 5.12.0
Installation: Source