I had downloaded the Manjaro Achitect ISO and attached it to VMWare Fusion, once it had booted up I was notified by the CLI to run the
I entered the command and was presented with a quite annoying error
manjaro-architect: command not found
After analysing the rest of the output I saw references to public keys not being found for some packages.
It turns out all I need to do to fix this is to refresh the keys. To do this simply enter
sudo pacman-key --refresh-keys
This will take a short while but once you're done run
setup again and the rest of the setup will proceed.