Animal pen and reinforced animal pen decaying after server restart

Basic Info:

Platform: Xbox One
Issue Type: Gameplay
Game Mode: Online Official
Server Type: PvE
Map: Exiled Lands
Server Name: 2585


Bug Description:

on 11/3 i placed all the animal companion buildings in my base. on 11/4 after server restart reinforced and animal pen both went to abandoned then few hours later decayed. i found this out on 11/5 so i replaced them. again after server restart on 11/6 the same 2 buildings were set again to abandoned then few hours later decayed. not replacing again until i find out what is going on. having no problems with any other building pieces. thank you.

Have you placed them over foundation pieces or straight to the ground?

Place them over foundations , check stability with repair hammer.

have done both keep vanishing