Error: Access Token is not valid or has expired. Feed will not update.
This error message is only visible to WordPress admins
There's an issue with the Instagram Access Token that you are using. Please obtain a new Access Token on the plugin's Settings page.
If you continue to have an issue with your Access Token then please see this FAQ for more information.
Please connect a business account on the Instagram Feed settings page in order to display hashtag feeds
Please see this post for more information.