Only been playing with PiCroft on a Pi3 for a couple of days, so sure to have some really stupid questions.
It has been working well, but I'm now getting a boot error something like this:-
W: GPG error: http://repo.mycroft.ai Debian release....the following signatures were invalid...KEYEXPIRED
So 2 questions:-
1. do you know what has caused this & how to fix it?
2. if I just re-install Picroft, will I have to re-register or will existing registration still be OK?