Error during access email address after login

[OlehSalamakha]

After login
val result = Firebase.auth.signInWithEmailAndPassword("usermail", "password")
I'm trying to get the mail address from the result object
print("current user email ${result.user?.email}")
and here is an exception
FirebaseApp Device unlocked: initializing all Firebase APIs for app [DEFAULT] Exception in thread "DefaultDispatcher-worker-1" kotlin.NotImplementedError: An operation is not implemented. at com.google.firebase.auth.FirebaseUser.getEmail(FirebaseUser.kt:11) at dev.gitlive.firebase.auth.FirebaseUser.getEmail(user.kt:19) at com.peinlab.testwindows.ComposableSingletons$AppKt$lambda-3$1$1$1$1$1.invokeSuspend(App.kt:42) at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33) at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100) at kotlinx.coroutines.scheduling.CoroutineScheduler.runSafely(CoroutineScheduler.kt:586) at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.executeTask(CoroutineScheduler.kt:829) at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.runWorker(CoroutineScheduler.kt:717) at kotlinx.coroutines.scheduling.CoroutineScheduler$Worker.run(CoroutineScheduler.kt:704) Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelling}@f7f0f80, Dispatchers.Default]