Villagers, iron golems and horses jamming

When playing multiplayer on PS4 with my partner, when one of us leaves the village and goes over 1000 blocks away our villagers, iron golems and horses freeze. They can't be moved and if a zombie spawns they get killed. Our animals in the pens also disappear. Horses that the person who's gone away gets glitched and then vanishes. Armour stands have been deleted from our bank. This has been happening for over a week now. We have tried changing to different packs but it's happening on all packs even the basic original minecraft pack. Tried uninstalling the game and reinstalling. Deleted packs, reinstalled packs. Have tried creating a new game and the same thing happens on that. Tried old saves and it happens on them. We first noticed this happening when a horse was leashed to a post and being unleashed the horse was getting stuck and leash not coming off. All animals in the village vanished, we had 102 villagers and this dropped to 12 on return to the village, and 10 out of 11 iron golems vanished. Please can you update this with a fix.