crash on opening the settings

[quantenzitrone]

Stack Trace:

FATAL EXCEPTION: main
Process: com.asksven.betterbatterystats, PID: 11268
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.asksven.betterbatterystats/com.asksven.betterbatterystats.PreferencesFragmentActivity}: android.view.InflateException: Binary XML file line #10: Binary XML file line #10: Error inflating class fragment
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2819)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2897)
	at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4740)
	at android.app.ActivityThread.-wrap18(Unknown Source:0)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1629)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loop(Looper.java:164)
	at android.app.ActivityThread.main(ActivityThread.java:6548)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:857)
Caused by: android.view.InflateException: Binary XML file line #10: Binary XML file line #10: Error inflating class fragment
Caused by: android.view.InflateException: Binary XML file line #10: Error inflating class fragment
Caused by: java.lang.IllegalStateException: Fragment com.asksven.betterbatterystats.PreferencesFragmentActivity$PrefsFragment did not create a view.
	at android.app.FragmentManagerImpl.onCreateView(FragmentManager.java:3569)
	at android.app.FragmentController.onCreateView(FragmentController.java:98)
	at android.app.Activity.onCreateView(Activity.java:6219)
	at androidx.fragment.app.FragmentActivity.onCreateView(FragmentActivity.java:300)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:780)
	at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
	at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
	at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:423)
	at android.view.LayoutInflater.inflate(LayoutInflater.java:374)
	at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:706)
	at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:195)
	at com.asksven.betterbatterystats.PreferencesFragmentActivity.onCreate(PreferencesFragmentActivity.java:52)
	at android.app.Activity.performCreate(Activity.java:7009)
	at android.app.Activity.performCreate(Activity.java:7000)
	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1214)
	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2772)
	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2897)
	at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4740)
	at android.app.ActivityThread.-wrap18(Unknown Source:0)
	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1629)
	at android.os.Handler.dispatchMessage(Handler.java:106)
	at android.os.Looper.loop(Looper.java:164)
	at android.app.ActivityThread.main(ActivityThread.java:6548)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:857)