Upgraded from 2019.1: ALL scripts "can not be loaded"

I have 0 errors - I refreshed, restarted Unity, opened VS and rebuilt project >> No errs. So, why are ALL scripts in components like this - “cannot be loaded”?


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(PS: This is bad grammar; it should be cannot - one word)

EDIT: Got it - had to do with a hidden “managed” dll error for version mismatch. Weird that I was able to press play. What’s more is that all my serialization was gone – reimported 1 to test and it came back. Seems like “reimport all” is the way to go. AFK :slight_smile:

Id guess package related scripts perhaps? what are the errors