i’m having the same difficulty on my iphone 11 with 17.2.1. it is affecting not only airdrop, but imessage, email, and sharing to another app as well.
everything seems to work fine for most files, but every, say, twelfth or fifteenth file or so, i get this error. rebooting has no effect.
also, at least for me, the affected files seem to loose the “duplicate” function. it’s not greyed out. it’s just gone.
one other thing: i’m able to compare one of the affected files to the original on another device. the original is ~7.5mb, whereas the other is ~10.5mb.
any kind of feedback on how to fix this would be great.
anymore, i think i’m forgetting things at a faster rate than i’m learning them. nothing works like it’s supposed to anymore. or, they work exactly like they are supposed to; just not how i’ve come to EXPECT them to.