No, Bob's your uncle. Space is for the children.
Huh, seems my avatar icon is affected also. If I try to re-set it to the same file, even after changing it to something else, nothing happens. I guess pictrs thinks it has that image already, based on its hash.
Not just you.
The missing icons return "No such file or directory (os error 2)". It seems like different versions of some images are present. E.g.: The UK Memes webp thumbnail is missing but the png version is ok.
I think the feddit.uk server ran out of space and some of the pictrs storage was sacrificed to get the instance back online again. I don't know if they can be restored or regenerated somehow. Hopefully the new admins have some time to figure out and fix the issue. Otherwise I guess the community mods can just re-upload the images?
I've been wondering, what are midichlorians?