I keep getting this bug which throws me out of the game directly to main menu:
AsyncErr: Lua: Runtime error from mod 'goblins' in callback luaentity_Step(): /app/share/minetest/builtin/common/misc_helpers.lua:175: attempt to get length of local 'str' (a nil value) stack traceback: /app/share/minetest/builtin/common/misc_helpers.lua:175: in function 'split' /home/kerrs/.minetest/mods/goblins/items.lua:96: in function 'tool_attach_engine' /home/kerrs/.minetest/mods/goblins/items.lua:137: in function 'tool_attach' /home/kerrs/.minetest/mods/goblins/goblins.lua:339: in function 'do_custom' /home/kerrs/.minetest/mods/mobs/api.lua:3441: in function </home/kerrs/.minetest/mods/mobs/api.lua:3331>