General weirdness

I get some odd behaviour. just now the structure panel does not agree with the canvas on what objects exist. I moved a video and it is not gone form the structure yet it exists.
Screen Shot 2021-09-22 at 3.00.28 pm
I also got this weird space appear on moving another element
Screen Shot 2021-09-22 at 2.42.18 pm

Anyway, Good luck with that! Thanks for listening