Crash "attempt to index global 'doors'"

[MoNTE48]

Doors mod should be added to depends.txt

2023-06-15 08:59:41: ERROR[Main]: ModError: Failed to load and run script from .../worldmods/livingfloatlands/init.lua:
2023-06-15 08:59:41: ERROR[Main]: .../worldmods/livingfloatlands/coldsteppe.lua:457: attempt to index global 'doors' (a nil value)
2023-06-15 08:59:41: ERROR[Main]: stack traceback:
2023-06-15 08:59:41: ERROR[Main]: .../worldmods/livingfloatlands/coldsteppe.lua:457: in main chunk
2023-06-15 08:59:41: ERROR[Main]: [C]: in function 'dofile'
2023-06-15 08:59:41: ERROR[Main]: .../worldmods/livingfloatlands/init.lua:65: in main chunk