Files (not File Manager app) doesn't work and crashes every time I insert a file onto another app. Using Mi 9
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.google.android.documentsui/com.android.documentsui.picker.PickActivity}: java.lang.IllegalStateException: This Activity already has an action bar supplied by the window decor. Do not request Window.FEATURE_SUPPORT_ACTION_BAR and set windowActionBar to false in your theme to use a Toolbar instead.
at android.app.ActivityThread.performLaunchActivity(Unknown Source:621)
at android.app.ActivityThread.handleLaunchActivity(Unknown Source:47)
at android.app.servertransaction.LaunchActivityItem.execute(Unknown Source:63)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(Unknown Source:77)
at android.app.servertransaction.TransactionExecutor.execute(Unknown Source:73)
at android.app.ActivityThread$H.handleMessage(Unknown Source:43)
at android.os.Handler.dispatchMessage(Unknown Source:19)
at android.os.Looper.loop(Unknown Source:244)
at android.app.ActivityThread.main(Unknown Source:98)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(Unknown Source:11)
at com.android.internal.os.ZygoteInit.main(Unknown Source:275)
Caused by: java.lang.IllegalStateException: This Activity already has an action bar supplied by the window decor. Do not request Window.FEATURE_SUPPORT_ACTION_BAR and set windowActionBar to false in your theme to use a Toolbar instead.
at androidx.appcompat.app.AppCompatDelegateImpl.setSupportActionBar(AppCompatDelegateImpl.java:408)
at androidx.appcompat.app.AppCompatActivity.setSupportActionBar(AppCompatActivity.java:150)
at com.android.documentsui.BaseActivity.onCreate(BaseActivity.java:161)
at com.android.documentsui.picker.PickActivity.onCreate(PickActivity.java:100)
at android.app.Activity.performCreate(Unknown Source:19)
at android.app.Activity.performCreate(Unknown Source:1)
at android.app.Instrumentation.callActivityOnCreate(Unknown Source:3)
at android.app.ActivityThread.performLaunchActivity(Unknown Source:376)
... 11 more