attempt to index field 'all_villages' (a nil value)

[AmyMoriyama]

2022-06-27 21:14:29: ERROR[Main]: ServerError: AsyncErr: Lua: finishGenRuntime error from mod 'mg_villages' in callback environment_OnGenerated(): /home/username/worlds/world/worldmods/mg_villages/roads.lua:146: attempt to index field 'all_villages' (a nil value)
2022-06-27 21:14:29: ERROR[Main]: stack traceback:
2022-06-27 21:14:29: ERROR[Main]: /home/username/worlds/world/worldmods/mg_villages/roads.lua:146: in function 'get_road_list'
2022-06-27 21:14:29: ERROR[Main]: ...lzwut/worlds/world/worldmods/mg_villages/inhabitants.lua:1258: in function 'assign_mobs'
2022-06-27 21:14:29: ERROR[Main]: /home/username/worlds/world/worldmods/mg_villages/mapgen.lua:1016: in function 'after_place_villages'
2022-06-27 21:14:29: ERROR[Main]: /home/username/worlds/world/worldmods/mg_villages/mapgen.lua:977: in function 'place_villages_via_voxelmanip'
2022-06-27 21:14:29: ERROR[Main]: /home/username/worlds/world/worldmods/mg_villages/mapgen.lua:1120: in function </home/username/worlds/world/worldmods/mg_villages/mapgen.lua:1075>
2022-06-27 21:14:29: ERROR[Main]: /home/username/multicraft/bin/../builtin/game/register.lua:441: in function </home/username/multicraft/bin/../builtin/game/register.lua:425>