This bug happened when I place sign to a building from building design mode and Doors disappeared.
Steps to reproduce:
- Build a new building with door but no sign.
- Select any sign from build&design mode and place them to a building.
- Door in that building will disappear.
Attachments:
Version Number and Mods in use:
Alpha 16 - release 553 (x64)
ps. sorry for my wrong grammar