Since yesterday we encountered a problem with our checkout tickets that involved the transfer of Instagram accounts. Users weren’t able to log in via the official app, despite being able to log in from a browser. This is the error we were greeted with:
It looks like this is wide spread, as a lot of people are reporting the same on downdetector.com
You can read all the comments here: http://downdetector.com/status/instagram
Blackhatworld users are experiencing the same issues:
Until this is fixed, we will put all open Instagram tickets on hold, sorry!