The error “No Accounts Found. Couldn’t find Business Profile” usually indicates that your Instagram Business Profile is not correctly linked to a Facebook page, and the Facebook API cannot find it.
To fix this problem, you’ll need to check your Business Profile is correctly configured, following the steps below:
1- Check that your Instagram Business Profile is correctly linked to a Facebook page by navigating the “Settings” and then clicking the “Instagram” option. If the page is not linked, you can follow this guide.
2- Reconnect your Instagram account to the plugin; when sent to Facebook, you might need to click the Edit Settings button to review your connection settings and ensure all pages, profiles, and permissions are selected.