can't change notification spesn 1.0.11.0

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java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.Intent android.content.Intent.putExtra(java.lang.String, android.os.Parcelable)' on a null object reference atcom.android.settings.Ringtone Preference.onPrepare RingtonePickerIntent(Unknown Source:6)atcom.android.settings.notification.MiuiNotificationSou ndPreference.onPrepare RingtonePickerIntent(Unkno wn Source:0)atcom.android.settings.notification.ChannelNotification...Read more