Firebase (1) ์ธ๋ค์ผํ ๋ฆฌ์คํธํ [Flutter/Firebase] Firebase auth / account-exists-with-different-credential Flutter ์ฑ์์ Firebase์ Athenticatoin ์ ํตํด ๋ก๊ทธ์ธ์ ๊ตฌํํ๋ค. ( Google / Apple / Twitter ) ๊ทธ๋ฐ๋ฐ, ์๋์ ๊ฐ์ ์๋ฌ๊ฐ ๋ฐ์ํ๋ค. [VERBOSE-2:ui_dart_state.cc(199)] Unhandled Exception: [firebase_auth/account-exists-with-different-credential] An account already exists with the same email address but different sign-in credentials. Sign in using a provider associated with this email address. ์๋ฌ๊ฐ ๋ฐ์ํ ์ํฉ์ 1. Apple๋ก ๋ก๊ทธ์ธ 2. ๋ก๊ทธ์์.. ์ด์ 1 ๋ค์