Instagram login problem

Hello!
We have problem with instagram login. There are error:
{“error_type”: “OAuthException”, “code”: 400, “error_message”: “Redirect URI does not match registered redirect URI”}
https://b.radikal.ru/b10/1806/10/22ef4c5177a2.png

I’ve tried to change redirect to main page in plugin settings, but nothing changes…

The page I need help with: [log in to see the link]