21:14:38: ERROR[main]: Failed to load and run script from 
21:14:38: ERROR[main]: C:\Users\Nick\Desktop\minetest-0.4.7\bin\..\mods\pipeworks\init.lua:
21:14:38: ERROR[main]: ...Desktop\minetest-0.4.7\bin\..\mods\pipeworks/devices.lua:6: attempt to index field 'state' (a nil value)
21:14:38: ERROR[main]: stack traceback:
21:14:38: ERROR[main]: 	...Desktop\minetest-0.4.7\bin\..\mods\pipeworks/devices.lua:6: in main chunk
21:14:38: ERROR[main]: 	[C]: in function 'dofile'
21:14:38: ERROR[main]: 	...ck\Desktop\minetest-0.4.7\bin\..\mods\pipeworks\init.lua:116: in main chunk