[Lenovo ZUK Z2 (Plus) ROMs, Kernels, Recoveries, & ] WiuEmPe:
I have magisk installed, when i click to Administrative rights in settings, settings window is closed without any notification. Logcat:

11-13 17:13:52.754 17888 17888 D AndroidRuntime: Shutting down VM
11-13 17:13:52.755 17888 17888 E AndroidRuntime: FATAL EXCEPTION: main
11-13 17:13:52.755 17888 17888 E AndroidRuntime: Process: com.android.settings, PID: 17888
11-13 17:13:52.755 17888 17888 E AndroidRuntime: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.settings/com.android.settings.Settings$RootManagementActivity}: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.topjohnwu.magisk/com.topjohnwu.magisk.SplashActivity}; have you declared this activity in your AndroidManifest.xml?
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2794)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2878)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.ActivityThread.-wrap11(Unknown Source:0)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1605)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:106)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.os.Looper.loop(Looper.java:164)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:6520)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:440)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:108)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: Caused by: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.topjohnwu.magisk/com.topjohnwu.magisk.SplashActivity}; have you declared this activity in your AndroidManifest.xml?
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1933)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.Instrumentation.execStartActivity(Instrumentation.java:1616)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.Activity.startActivityForResult(Activity.java:4532)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.Activity.startActivityForResult(Activity.java:4490)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.Activity.startActivity(Activity.java:4851)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.Activity.startActivity(Activity.java:4819)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at com.android.settings.SettingsActivity.switchToFragment(SettingsActivity.java:729)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at com.android.settings.SettingsActivity.launchSettingFragment(SettingsActivity.java:431)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at com.android.settings.SettingsActivity.onCreate(SettingsActivity.java:329)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.Activity.performCreate(Activity.java:7054)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.Activity.performCreate(Activity.java:7045)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1214)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2747)
11-13 17:13:52.755 17888 17888 E AndroidRuntime: ... 10 more
11-13 17:13:52.764 17888 17888 I Process : Sending signal. PID: 17888 SIG: 9
11-13 17:13:52.768 10208 18110 W ActivityManager: Force finishing activity com.android.settings/.Settings$RootManagementActivity
11-13 17:13:52.773 10208 18110 W ActivityManager: Force finishing activity com.android.settings/.Settings
11-13 17:13:52.781 10208 18110 W ContextImpl: Calling a method in the system process without a qualified user: android.app.ContextImpl.sendBroadcast:966 com.android.server.am.AppErrors.crashApplicationInner:393 com.android.server.am.AppErrors.crashApplication:321 com.android.server.am.ActivityManagerService$19.run:14609 java.lang.Thread.run:764
11-13 17:13:52.784 10364 10364 D HeadsetPhoneState: sendDeviceStateChanged. mService=1 mIsSimStateLoaded=true mSignal=4 mRoam=0 mBatteryCharge=3
11-13 17:13:52.784 10208 10224 I ActivityManager: Showing crash dialog for package com.android.settings u0
11-13 17:13:52.785 533 533 E lowmemorykiller: Error writing /proc/17888/oom_score_adj; errno=22
11-13 17:13:52.786 10208 10223 W ActivityManager: Failed to set scheduling policy, thread does not exist:
11-13 17:13:52.786 10208 10223 W ActivityManager: java.lang.IllegalArgumentException: Given thread 17911 does not exist