これ。react-nativeでyarn iosするとFailed to start simulator: Error: Process exited with non-zero code: 60 2018年7月7日 754 × 1382 これ。react-nativeでyarn iosするとFailed to start simulator: Error: Process exited with non-zero code: 60 これ。react-nativeでyarn iosするとFailed to start simulator: Error: Process exited with non-zero code: 60