Game crash while exploring

[Ygarr]

2023-08-30 21:39:45: ERROR[Main]: ServerError: AsyncErr: Lua: Runtime error from mod 'mg_villages' in callback environment_OnGenerated(): ...//minetest/bin/../mods/village_towntest/init.lua:11: attempt to call field 'replace_tree_trunk' (a nil value)
2023-08-30 21:39:45: ERROR[Main]: stack traceback:
2023-08-30 21:39:45: ERROR[Main]: .../minetest/bin/../mods/village_towntest/init.lua:11: in function 'replacement_function'
2023-08-30 21:39:45: ERROR[Main]: .../minetest/bin/../mods/mg_villages/replacements.lua:295: in function 'get_replacement_list'
2023-08-30 21:39:45: ERROR[Main]: .../minetest/bin/../mods/mg_villages/replacements.lua:311: in function 'get_replacement_table'
2023-08-30 21:39:45: ERROR[Main]: ...//minetest/bin/../mods/mg_villages/villages.lua:693: in function 'generate_village'
2023-08-30 21:39:45: ERROR[Main]: ...///minetest/bin/../mods/mg_villages/mapgen.lua:798: in function 'place_villages_via_voxelmanip'
2023-08-30 21:39:45: ERROR[Main]: ...///minetest/bin/../mods/mg_villages/mapgen.lua:1116: in function <...///minetest/bin/../mods/mg_villages/mapgen.lua:1071>
2023-08-30 21:39:45: ERROR[Main]: ...er///minetest/bin/../builtin/game/register.lua:446: in function <...er///minetest/bin/../builtin/game/register.lua:432>

Environ. :last version, Game Asuna