Error when sign my apk

class AuthViewModel(private val client: Client) : ViewModel() {
    private val account by lazy { Account(client) }
    private val _authState = MutableStateFlow<AuthState>(AuthState.Initial)
    val authState = _authState.asStateFlow()

    fun signUpWithEmail(email: String, password: String, name: String) {
        viewModelScope.launch {
            _authState.value = AuthState.Loading

            try {
                if (!android.util.Patterns.EMAIL_ADDRESS.matcher(email).matches()) {
                    _authState.value = AuthState.Error("Please enter a valid email address")
                    return@launch
                }

                account.create(
                    userId = ID.unique(),
                    email = email,
                    password = password,
                    name = name
                )

                signInWithEmail(email, password)

            } catch (e: Exception) {
                val errorMessage = when {
                    e.message?.contains("already exists") == true -> "Email already registered"
                    e.message?.contains("password") == true -> "Password must be at least 8 characters"
                    else -> "Unable to create account: ${e.message}"
                }
                _authState.value = AuthState.Error(errorMessage)
            }
        }
    }
}```