New Crash In Settings "device" Category Short Movie And Log

[Monra]

Hello i own xiaomi redmi note 3 with newest xiaomi.eu on it
i have that bug for a while about 2 weeks? maybe but now i decided to report it i will attach the movie i recorded to reproduce the bug and the log
here is the movie from phone(i can mirror it just point me where i cant add it to attachment its too large) It happens everytime i want to open the device settings?(its called urządzenie in polish translation thats what i did touch in the movie)

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here is log(i would make a better log using tutorial but i can't access device tab so i can't go intro developer settings )
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.settings/com.android.settings.SubSettings}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.preference.Preference.getKey()' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java)
at android.app.ActivityThread.access$800(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java)
at android.os.Handler.dispatchMessage(Handler.java)
at android.os.Looper.loop(Looper.java)
at android.app.ActivityThread.main(ActivityThread.java)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.preference.Preference.getKey()' on a null object reference
at android.preference.PreferenceGroup.removePreferenceInt(PreferenceGroup.java)
at android.preference.PreferenceGroup.removePreference(PreferenceGroup.java)
at com.android.settings.OtherPersonalSettings.onCreate(OtherPersonalSettings.java)
at android.app.Fragment.performCreate(Fragment.java)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java)
at android.app.BackStackRecord.run(BackStackRecord.java)
at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java)
at android.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java)
at com.android.settings.gy.a(SettingsActivity.java)
at com.android.settings.gy.onCreate(SettingsActivity.java)
at android.app.Activity.performCreate(Activity.java)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java)
... 11 more