Hi @Deesign,
The API expiration related is in between your site and the plugin, the update shouldn’t affect it unless the standard within Instagram changed. What the plugin just uses API for permission and retrieves data and images. Just what I said, this been happening even before and to other 3rd party plugins that are trying to connect to Instagram server.
Let’s check the site one at a time 
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First, I can’t access the first one, I’m currently blocked by Wordfence, and it returns 503 which probably the cause of the first issue mentioned by Nabeel
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Second, the second site has 14 counts, and base on API requirement it should be 9 or 12
That’s currently displayed as warning on your The Grid. But I changed it to 10, and created grid and it still the same. Is there a way we can disable Security plugins and any other related plugin that could cause 503?
It’s also mentioned the media endpoints are no longer applicable since 2018, which would explain expired media URL.
- Please provide access to the 3rd one. And please disable security plugins that may able to block requests as well if there is any. You can enable them back once we’re done investigating.
Thanks!