Found something when i try to close a door in the Cellar of the Townhall.
The door near the teleporter on the south of the map
#script_entity_270.script:21: attempt to index global 'floor_trigger_599' (a nil value)
stack traceback:
#script_entity_270.script:21: in function <#script_entity_270.script:20>
[string "Script.lua"]: in function 'sendMessage'
[string "Component.lua"]: in function 'triggerConnectors'
[string "Component.lua"]: in function 'callHook'
[string "Button.lua"]: in function 'activate'
[string "Button.lua"]: in main chunk
[string "GameObject.lua"]: in function 'sendMessage'
[string "Clickable.lua"]: in function 'onClickComponent'
[string "GameMode.lua"]: in function 'mousePressed'
[string "GameMode.lua"]: in function 'update'
[string "Grimrock.lua"]: in function 'display'
[string "Grimrock.lua"]: in main chunk