If an Instagram account settings are being modified frequently, Facebook settings may require a native review.
It's very easy to check...
Locate to the Instagram Connection page on Facebook.
Open your connected Facebook page
Click Professional dashboard in the left menu, and then click Linked accounts.
Select Instagram
If you see a button labeled 'Review Connection', click on it.
Follow the steps provided by Facebook for the review process
Once the review is complete, return to Hopper HQ and refresh your Instagram and Autopost account connections. You can find this option in your Account Settings.
What's Next?
Instagram posts not autoposting? Check you've enabled your Autopost Settings
How to convert your Instagram account to a Business type