The VK API has fallen off and I don’t know what to watch anymore?

Question

Domain Name System

I worked quietly for myself and here it is, the authorization pops up, I click and I get this . I

cleared IE caches, from IE itself I normally enter the site under this account. Googling didn't help much
. What could be the reason?
P.S. Before this it was, but the next day it worked fine.

Answer 1

Well, one screenshot of the error is not enough here, you need some code and logs