Instagram has returned invalid data

Dear support,

today we have noticed that our Instagram feed is not working, its not loading content.

Insted we have following error message in place “Instagram has returned invalid data.”

Please see screenshot here: https://prnt.sc/owgb4x

And you can see that on our front page too here: https://www.prirodna.com/v2/

How to fix this?

Thanks,

Dubravko