File -> Project Structure를 클릭하면
IllegalArgumentException: Multiple entries with same key: Google Inc.:Google APIs (x86 System Image):19=Google APIs (x86 System Image) (API 19) and Google Inc.:Google APIs (x86 System Image):19=Google APIs (x86 System Image) (API 19)
이렇게 오류가뜨는데 혹시 왜 그런지 알 수 있을까요??