I am getting this error, using xcode 13, RN 64.2, @react-navigation/stack": "5.0.0-alpha.71"

Any ideas how I can fix it?

 ERROR  Warning: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application. To fix, cancel all subscriptions and asynchronous tasks in the componentWillUnmount method.
    in StackView (at createStackNavigator.tsx:69)
    in StackNavigator (at RootStackNavigator.js:29)
    in RootStackNavigator (at AppRootStack.js:16)

RootStackNavigator:

import React from 'react';
import PropTypes from 'prop-types';
import { createStackNavigator } from '@react-navigation/stack';
...

... const RootStack = createStackNavigator();

const RootStackNavigator = ({
...
}) => {
  if (!isLoggedIn) {
    return (
      <RootStack.Navigator. << line 29
        initialRouteName={AppRoutes.LoginRegistration.Name}
        mode="modal"
      >
        <RootStack.Screen
          name={AppRoutes.LoginRegistration.Name}
          component={LoginRegistrationScreen}
          options={{
            title: AppRoutes.LoginRegistration.Label,
            headerShown: false,
            animationEnabled: false,
          }}
        />