[biome_lib] Stand by, playing out the rest of the aircheck mapblock log
(there are 0 entries)...
[biome_lib] Stand by, playing out the rest of the no-aircheck mapblock log
(there are 0 entries)...
2016-06-14 05:51:42: ERROR[Main]: ServerError: Lua: Runtime error from mod '*builtin*' in callback on_newplayer(): ...root/minetest/bin/../builtin/common/misc_helpers.lua:524: attempt to concatenate local 'y' (a nil value)
2016-06-14 05:51:42: ERROR[Main]: stack traceback:
2016-06-14 05:51:42: ERROR[Main]: 	...root/minetest/bin/../builtin/common/misc_helpers.lua:524: in function 'pos_to_string'
2016-06-14 05:51:42: ERROR[Main]: 	/root/minetest/bin/../builtin/game/static_spawn.lua:19: in function '?'
2016-06-14 05:51:42: ERROR[Main]: 	/root/minetest/bin/../builtin/game/register.lua:369: in function </root/minetest/bin/../builtin/game/register.lua:349>
root@DOMT:~#