Stuctures vanishing

Game mode: Online
Problem: Bug
Region: Eu

Was creating sructures for my castle and had steel reinforcements making. I go back to my blacksmith to see my alchemist benches all gone and blacksmith gone. Its like 1 half of my base went missing. Not stuctures broke just benches. Nothing in event log.

Steps on how to reproduce issue:
1.create steel reinforcements a wall
3.look in house
4.rage quit after losing 1200 reinforcements and 4000 steelfire