Crash when rotate screen

[quanda-0562]

Hi, I am facing this crash when rotate screen, can you help me? my project: https://github.com/dangquanuet/The-Movie-DB-Kotlin

2019-12-13 17:32:36.556 8391-8391/com.example.moviedb.dev E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.moviedb.dev, PID: 8391
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.moviedb.dev/com.example.moviedb.ui.screen.MainActivity}: android.view.InflateException: Binary XML file line #17 in com.example.moviedb.dev:layout/activity_main: Binary XML file line #17 in com.example.moviedb.dev:layout/activity_main: Error inflating class fragment
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3270)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)
        at android.app.ActivityThread.handleRelaunchActivityInner(ActivityThread.java:5279)
        at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:5187)
        at android.app.servertransaction.ActivityRelaunchItem.execute(ActivityRelaunchItem.java:69)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
        at android.os.Handler.dispatchMessage(Handler.java:107)
        at android.os.Looper.loop(Looper.java:214)
        at android.app.ActivityThread.main(ActivityThread.java:7356)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
     Caused by: android.view.InflateException: Binary XML file line #17 in com.example.moviedb.dev:layout/activity_main: Binary XML file line #17 in com.example.moviedb.dev:layout/activity_main: Error inflating class fragment
     Caused by: android.view.InflateException: Binary XML file line #17 in com.example.moviedb.dev:layout/activity_main: Error inflating class fragment
     Caused by: java.lang.IllegalStateException: Could not find Navigator with name "keep_state_fragment". You must call NavController.addNavigator() for each navigation type.
        at androidx.navigation.NavigatorProvider.getNavigator(NavigatorProvider.java:98)
        at androidx.navigation.NavController.onGraphCreated(NavController.java:543)
        at androidx.navigation.NavController.setGraph(NavController.java:534)
        at androidx.navigation.NavController.setGraph(NavController.java:499)
        at androidx.navigation.NavController.setGraph(NavController.java:481)
        at androidx.navigation.fragment.NavHostFragment.onCreate(NavHostFragment.java:237)
        at androidx.fragment.app.Fragment.performCreate(Fragment.java:2684)
        at androidx.fragment.app.FragmentStateManager.create(FragmentStateManager.java:252)
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1215)
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:1382)
        at androidx.fragment.app.FragmentLayoutInflaterFactory.onCreateView(FragmentLayoutInflaterFactory.java:135)
        at androidx.fragment.app.FragmentController.onCreateView(FragmentController.java:135)
        at androidx.fragment.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:356)
        at androidx.fragment.app.FragmentActivity.onCreateView(FragmentActivity.java:335)
        at android.view.LayoutInflater.tryCreateView(LayoutInflater.java:1069)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:997)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:961)
        at android.view.LayoutInflater.rInflate(LayoutInflater.java:1123)
        at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1084)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:682)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:534)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:481)
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555)
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161)
        at androidx.databinding.DataBindingUtil.setContentView(DataBindingUtil.java:303)
2019-12-13 17:32:36.556 8391-8391/com.example.moviedb.dev E/AndroidRuntime:     at androidx.databinding.DataBindingUtil.setContentView(DataBindingUtil.java:284)
        at com.example.moviedb.ui.base.BaseActivity.onCreate(BaseActivity.kt:23)
        at android.app.Activity.performCreate(Activity.java:7802)
        at android.app.Activity.performCreate(Activity.java:7791)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1299)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3245)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)
        at android.app.ActivityThread.handleRelaunchActivityInner(ActivityThread.java:5279)
        at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:5187)
        at android.app.servertransaction.ActivityRelaunchItem.execute(ActivityRelaunchItem.java:69)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
        at android.os.Handler.dispatchMessage(Handler.java:107)
        at android.os.Looper.loop(Looper.java:214)
        at android.app.ActivityThread.main(ActivityThread.java:7356)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)