[2020] 1번 플레이 하고 또다시 하면 오류가 걸립니다. 뭡니까?

The best way for us to help is by taking a look at your output log (player.log on Mac and Linux). This guide explains where to find the log and suggests places you can upload it to, since we can't attach files here on Steam.

https://steamcommunity.com/sharedfiles/filedetails/?id=463645931&searchtext=log