same for us, non-dedicated coop on PC.
- random Sails, steering wheels etc. are suddently missing from anchored ships when returning to sector
- bookshelf full of blueprints , Smithy, Large Storage boxes disappeared in houses/structures
I had the suspicion that it's a clipping issues (no-clip building activated) but that can't be the cause for all missing items
Also the carriage saddle we had on a bear tends to delete things when touching it, but it seems to be creatures only. (I guess it's the a similar effect to "cornering" a wild animal to tame/kill with two tamed creatures and suddenly the wild creatures vanishes).
