Instagram count stopped updating

Please find our system report here:
https://gist.github.com/danemorgan/f6baff71263eb5af483471ee83a6cbcc

The Instagram follower count stopped updating.

I tried following some other support requests that seemed similar, to repopulate the Instagram Access Token, and now I don’t have one at all, and I cannot generate a new one.

Clicking on the link results in this error:
{“error_type”: “OAuthForbiddenException”, “code”: 403, “error_message”: “You are not a sandbox user of this client”}

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