무시얼럿 lua 오류창 해결방법 아시는분 있나요

Message: InterfaceAddOnsMoosiAlert.saluaoverlayAlert.lua:18: bad argument #1 to 'match' (string expected, got nil)

Time: Sun Nov 29 12:15:39 2020

Count: 1

Stack: InterfaceAddOnsMoosiAlert.saluaoverlayAlert.lua:18: bad argument #1 to 'match' (string expected, got nil)

[string "=[C]"]: in function `match'

[string "@InterfaceAddOnsMoosiAlert.saluaoverlayAlert.lua"]:18: in main chunk

Locals: (*temporary) = nil

(*temporary) = "(%d+)x(%d+)"

(*temporary) = "string expected, got nil"

ㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡㅡ

이렇게 계속 뜨는데 어떻게 수정해야 안뜰까요