cannot authenticate Instagram

This was announced back in September 2022 and is a pinned support topic at the top of the forum: https://www.ads-software.com/support/topic/instagram-discontinuation-with-effect-from-mid-september-2022/

There is no issue with the plugin code. Rather, Facebook has blocked its API for individuals and only allows businesses. Photonic is developed by an individual (me), hence it unfortunately got the axe.