disappeared inside

im playing multiplayer with my friend and we are currently on year 3. when i went to open my chest full of fish i saw that every single one of them were gone. my friend knows nothing about this and i know it wasn't him. we had quite rare fish and i don't know where they went.

Dwarf Statue disappeared from inside of shed. Statue of Blessings also disappeared from the porch, but read as long as statues were inside they’d be safe???

My Mayonnaise Machine and Preserves Jar disappeared from my house, either overnight or while I was out, exploring the cave. I just upgraded my house a few "days" ago. I'm unsure if that's related, but for equipment to just disappear is so frustrating! Nothing was around them, under them, or...