The 2FA where the problem lies. @OP, I know this is just a small mistake but does your google authenticator has other apps registered? because I have this mistake many times that I've looked wrongly to the code and input it (made me worried) which should be for the other registered app on the authenticator.
This is why its important to rename so that you would able to recognize which one. 
@stskv, what happened to your account now, update?