파이어베이스 회원가입 구현 부분

안드로이드 스튜디오 업데이트를 하고 나니까

갑자기 빌드 자체가 안되네요 ..

뭐가 문젠지 잘 모르겠어요 ㅠㅠ

> Task :app:compileDebugKotlin FAILED

e: Incompatible classes were found in dependencies. Remove them from the classpath or use '-Xskip-metadata-version-check' to suppress errors

e: C:\Users\emdch\AndroidStudioProjects\FinalProject\app\src\main\java\com\example\finalproject\auth\JoinActivity.kt: (23, 25): Class 'com.google.firebase.auth.ktx.AuthKt' was compiled with an incompatible version of Kotlin. The binary version of its metadata is 1.9.0, expected version is 1.7.1.

The class is loaded from C:/Users/emdch/.gradle/caches/transforms-3/3fe63909da92e3c83b8baefbc591aec3/transformed/firebase-auth-ktx-22.1.1-api.jar!/com/google/firebase/auth/ktx/AuthKt.class

자꾸 이런 오류가 뜨네요