Hey there! We’re aware of this issue. This is related to a system that we implemented hastily to get 0.19.0 support working; we’re working on a more robust solution for the next update. If you see this error, going back to the communities list and re-entering the feed should fix the issue.

I get it when I try to change view quickly after opening the app

Happening nine times out of ten when opening Mlem app for me on iOS. My instance is Lemmy.world. Not sure if this is a Mlem problem or instance problem.