Can't unfollow (Page not responding properly!)

Hi, first of all congrats and thanks for this great code and GUI.

I was testing this for some days and suddenly this past December 18th the "unfollow" action is not working anymore, I can follow correctly and other actions though. This issue occurs when I'm trying to "Auto Unfollow users those did not follow back".

I tried to unfollow from a list (txt) but the logs keeps on "read":

name : unfollow_user
read

read

read

read

read

In the log the error is this:

[1] Visiting https://www.instagram.com/USER/?__a=1
[1] Visiting https://www.instagram.com/web/friendships/USER/unfollow/
[2] Visiting https://www.instagram.com/web/friendships/USER/unfollow/
[3] Visiting https://www.instagram.com/web/friendships/USER/unfollow/
[Err] https://www.instagram.com/web/friendships/USER/unfollow/ Page not responding properly!

The error on the log sometimes shows like this:

Status Code: 400
[1] Visiting https://www.instagram.com/USER/?__a=1
[2] Visiting https://www.instagram.com/USER/?__a=1
[3] Visiting https://www.instagram.com/USER/?__a=1
20991 ,redirecting to login page
[1] Visiting https://www.instagram.com/USER/?__a=1
wait
[1] Visiting https://www.instagram.com/USER/?__a=1
[1] Visiting https://www.instagram.com/web/friendships/USER/unfollow/
[2] Visiting https://www.instagram.com/web/friendships/USER/unfollow/
[3] Visiting https://www.instagram.com/web/friendships/USER/unfollow/
[Err] https://www.instagram.com/web/friendships/USER/unfollow/ Page not responding properly!

I tried to wait for a couple of days without any action to see if maybe IG was detecting a lot of traffic on my account but it's still not working. I also tried to connect to another network and the problem persists. Any idea? Anyone of you have the same issue here? Thanks a lot!