I was about to chat but the chat system told me I needed at least 20 reps to do so. My account seems to have been zeroed
I have over 2000 at programmers and over 5000 at EL&U, so I should be able to chat.
Apparently I'm not the only user affected, as the picture below should show, although I can't tell if they're having problems because I can't chat with them.
The image high lights Cerberus, Grace Note, Stefano Palazzo and Vitaly. All these users have more than 20 reps, but the system seems to be ignoring that.