[Door] signs say please contact a admin

[toxicdust99]

Description

[Door] signs say error: please contact admin. In the console it claims that the sign is not attached to a door
I have tried with all types of doors as well as trapdoors as well as playing it on the top and bottom half of a door
Running latest Snapshot Build : 0.18-SNAPSHOT-1149

Reproduce

All the basics in setting up dxl dungeon as per reproduce steps removed. See Screenshots for setup and result when played
Door is also not locked and can be opened manually before spawn or kill of mob spawn

3 signs linked together
1st Sign
[mob]
Zombie
0,1,MM
D 2

2nd Sign
[trigger]
1

M Zombie

3rd Sign
[Door]

T1

Expected behavior

1. Mob should spawn - Works
2. Trigger should trigger - Not Sure if working
3. Door should be unlocked/open - Does not work. Error as per description and screenshots

Screenshots / GIFs / videos
Setup during /dxl Edit [dungeon]
https://postimg.cc/jLSchfLn
Result when running [dungeon] and error
https://postimg.cc/ykD9dyDj

Console Error
https://postimg.cc/dhK1Y2rL

Relevant configuration files
No Special config running