Logging Error: Failed to initialize logging system. Log messages may be missing. If this issue persists, try setting IDEPreferLogStreaming=YES in the active scheme actions environment variables.
업데이트 하고 오랜만에 xcode를 열었더니 먼지가 폴폴 날리면서 저런 에러문구가 떴다.
IDEPreferLogStreaming=YES