I called because it seemed there was an error in the app. I turned on the app now, but yesterday it said that I couldn't access my account. What should I do?
앱에 오류가 있는 거 같아서 전화 드렸거든요 앱을 지금 켰는데 어제 계정 액세스를 할 수 없다고 떠서요 어떻게 해야 될까요