There has been an error reading data for calendar: %1$S. It has been placed in read-only mode, since changes to this calendar will likely result in data-loss.  You may change this setting by choosing 'Edit Calendar'.
캘린더 데이터를 읽는 중 오류가 발생했습니다: %1$S. 읽기 전용 모드입니다.  '캘린더 편집'을 선택하여야 합니다.