Error signing in: Error Domain=FIRAuthErrorDomain Code=17012 "An account already exists with the same email address but different sign-in credentials. Sign in using a provider associated with this email address." UserInfo={FIRAuthErrorUserInfoNameKey=ERROR_ACCOUNT_EXISTS_WITH_DIFFERENT_CREDENTIAL, FIRAuthErrorUserInfoEmailKey=mmmlves@gmail.com, FIRAuthErrorUserInfoUpdatedCredentialKey=<FIROAuthCredential: 0x281d816d0>, NSLocalizedDescription=An account already exists with the same email address but different sign-in credentials. Sign in using a provider associated with this email address.}