Bug-Errors on interacting with treasure from old areas

I’m not 100% sure if I can reproduce this bug (and I don’t need to play another game to try and figure out if I can). Anyway if you find over 5 treasures and go to the next island set (I had my 6th, some coins, outside of my pack) they get carried over. On its own this is perfectly fine, but what was odd was when I put them into my backpack (or I might have dropped them on the ground) I got a long stream of error messages. I don’t know for sure if this is necessarily reproducible and I haven’t tried. I didn’t notice any negative effects after the error occurred, but it was odd.