Prefabs/Structures/Industrial/Houses/Office_E_01/Furniture/Office_E_01_furniture_02.et {2B563892F009A1EA}) has a $grp of three LampTower_01 children. Each one overrides its inherited Hierarchy component {612AE78C95E98EEB}, from BuildingParts_Base.et) with PivotID "socket_light_04".

That socket exists on the LightTower_01 mesh. The lamps appear to have been copied from LightTower_01.et. In this prefab, however, the lamps' parent is the furniture root, which inherits BuildingFurniture_base.et. That root is a bare GenericEntity with no mesh, so it has no sockets. The engine rejects the pivot at load for all three lamps on every peer.

Steps to reproduce

1. Place {A33B68467443EBAF}Prefabs/Structures/Industrial/Houses/Office_E_01/Office_E_01_ENP.et in any world. It includes Office_E_01_furniture_02.et as a child.

2. Run the world, for example on a dedicated server with a client.

3. Check console.log.