All accounts eventually get locked for identity verification to prevent spam. Just await a reply from support about why it was locked. They will probably ask for ID, Full name, Twitter, etc like they did when I had to do it.

Alright, thanks.

I’m having the same problem which is very annoying. I thought all these verification and github/twitter connection stuff was part of the registration/activation process. Not until hours later did I realize that my account was locked. If it was by intention they should have at least sent a notification mail to the owner.