init.lua lines 100-106:
if itemstack:get_wear() > 60135 then
minetest.chat_send_player(user:get_player_name(), S("Your tool is about to break!"))
minetest.sound_play("default_tool_breaks", {
to_player = pname,
gain = 2.0,
})
end
Suggested fix: Add a check for default.