[ONE Android Development] WiuEmPe:
Unfortunetelly, after reflash rom and reflash Magisk i have this same issue. :(

Finally, i uninstall MAgick Manager, install zip and apk from: https://xdaforums.com/apps/magisk/official-magisk-v7-universal-systemless-t3473445 and works ;)

http://workupload.com/file/Q4M3UOqS

And this is log when i run Color Control:

07-05 00:29:28.160 1530 3806 I ActivityManager: START u0 {act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=re.codefi.savoca.kcal/.MainActivity (has extras)} from uid 10043 on display 0
07-05 00:29:28.197 1530 7104 I ActivityManager: Start proc 9233:re.codefi.savoca.kcal/u0a58 for activity re.codefi.savoca.kcal/.MainActivity
07-05 00:29:28.200 4777 5550 E ContentStoreEUAS: Failed to commit the deferred actions
07-05 00:29:28.231 9233 9233 I art : Starting a blocking GC AddRemoveAppImageSpace
07-05 00:29:28.240 9233 9233 W System : ClassLoader referenced unknown path: /system/app/Kcal/lib/arm
07-05 00:29:28.498 9233 9233 W efi.savoca.kcal: type=1400 audit(0.0:56): avc: denied { getattr } for path="/sys/devices/platform/kcal_ctrl.0/kcal" dev="sysfs" ino=19389 scontext=u:r:untrusted_app:s0:c512,c768 tcontext=u:object_r:sysfs:s0 tclass=file permissive=0
07-05 00:29:28.498 9233 9233 W efi.savoca.kcal: type=1400 audit(0.0:57): avc: denied { getattr } for path="/sys/devices/platform/kcal_ctrl.0/kcal_enable" dev="sysfs" ino=19391 scontext=u:r:untrusted_app:s0:c512,c768 tcontext=u:object_r:sysfs:s0 tclass=file permissive=0
07-05 00:29:28.498 9233 9233 W efi.savoca.kcal: type=1400 audit(0.0:58): avc: denied { read } for name="kcal_enable" dev="sysfs" ino=19391 scontext=u:r:untrusted_app:s0:c512,c768 tcontext=u:object_r:sysfs:s0 tclass=file permissive=0
07-05 00:29:28.507 9233 9233 D AndroidRuntime: Shutting down VM
07-05 00:29:28.508 9233 9233 E AndroidRuntime: FATAL EXCEPTION: main
07-05 00:29:28.508 9233 9233 E AndroidRuntime: Process: re.codefi.savoca.kcal, PID: 9233
07-05 00:29:28.508 9233 9233 E AndroidRuntime: java.lang.RuntimeException: Unable to start activity ComponentInfo{re.codefi.savoca.kcal/re.codefi.savoca.kcal.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2699)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2766)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at android.app.ActivityThread.-wrap12(ActivityThread.java)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1507)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:102)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at android.os.Looper.loop(Looper.java:154)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:6236)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:891)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:781)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at re.codefi.savoca.kcal.MainActivity.onCreate(MainActivity.java:159)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at android.app.Activity.performCreate(Activity.java:6684)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2652)
07-05 00:29:28.508 9233 9233 E AndroidRuntime: ... 9 more
07-05 00:29:28.509 1530 4565 W ActivityManager: Force finishing activity re.codefi.savoca.kcal/.MainActivity
07-05 00:29:28.512 1530 4565 W ContextImpl: Calling a method in the system process without a qualified user: android.app.ContextImpl.sendBroadcast:877 com.android.server.am.AppErrors.crashApplicationInner:375 com.android.server.am.AppErrors.crashApplication:309 com.android.server.am.ActivityManagerService.handleApplicationCrashInner:13738 com.android.server.am.ActivityManagerService.handleApplicationCrash:13720
07-05 00:29:28.565 1530 7270 I Adreno-EGL: <qeglDrvAPI_eglInitialize:379>: EGL 1.4 QUALCOMM build: Nondeterministic_AU_msm8974_LA.BF.1.1.3__release_AU (I3fa967cfef)
07-05 00:29:28.565 1530 7270 I Adreno-EGL: OpenGL ES Shader Compiler Version: E031.28.00.02
07-05 00:29:28.565 1530 7270 I Adreno-EGL: Build Date: 09/29/15 Tue
07-05 00:29:28.565 1530 7270 I Adreno-EGL: Local Branch: mybranch14683032
07-05 00:29:28.565 1530 7270 I Adreno-EGL: Remote Branch: quic/master
07-05 00:29:28.565 1530 7270 I Adreno-EGL: Local Patches: NONE
07-05 00:29:28.565 1530 7270 I Adreno-EGL: Reconstruct Branch: NOTHING
07-05 00:29:28.566 1530 7270 I OpenGLRenderer: Initialized EGL, version 1.4
07-05 00:29:28.566 1530 7270 D OpenGLRenderer: Swap behavior 1
07-05 00:29:28.986 5022 6098 I CastDatabase: Saving the database
07-05 00:29:28.987 5022 6098 I SQLiteCastStore: Saving 0 CastNetworkInfo instances, 0 CastDeviceInfo instances, 0 paired guest mode devices.
07-05 00:29:28.999 5022 6098 E SQLiteCastStore: End saving paired guest mode devices
07-05 00:29:29.013 1530 2315 W ActivityManager: Activity pause timeout for ActivityRecord{92ae55b u0 re.codefi.savoca.kcal/.MainActivity t119 f}
07-05 00:29:29.068 1530 2315 I WindowManager: Failed to capture screenshot of Token{88791f8 ActivityRecord{92ae55b u0 re.codefi.savoca.kcal/.MainActivity t119 f}} appWin=Window{3fa9f09 u0 Starting re.codefi.savoca.kcal} drawState=4
07-05 00:29:29.208 1530 3082 D WifiStateMachine: updateCapabilities for config:WiFi3false,false
07-05 00:29:29.291 9264 9264 D AndroidRuntime: >>>>>> START com.android.internal.os.RuntimeInit uid 0 <<<<<<
07-05 00:29:29.297 9264 9264 D AndroidRuntime: CheckJNI is OFF
07-05 00:29:29.298 9264 9264 E cutils-trace: Error opening trace file: No such file or directory (2)
07-05 00:29:29.348 9264 9264 D ICU : No timezone override file found: /data/misc/zoneinfo/current/icu/icu_tzdata.dat
07-05 00:29:29.404 9264 9264 I Radio-JNI: register_android_hardware_Radio DONE
07-05 00:29:29.426 9264 9264 D AndroidRuntime: Calling main entry com.android.commands.am.Am
07-05 00:29:29.441 1530 2315 I ActivityManager: Start proc 9280:com.topjohnwu.magisk/u0a138 for broadcast com.topjohnwu.magisk/.superuser.SuReceiver
07-05 00:29:29.475 9280 9280 I FirebaseInitProvider: FirebaseApp initialization unsuccessful
07-05 00:29:29.506 9264 9264 D AndroidRuntime: Shutting down VM
07-05 00:29:29.573 1530 2362 W WindowManager: Failed looking up window
07-05 00:29:29.573 1530 2362 W WindowManager: java.lang.IllegalArgumentException: Requested window android.view.ViewRootImpl$W@9d6a810 does not exist
07-05 00:29:29.573 1530 2362 W WindowManager: at com.android.server.wm.WindowManagerService.windowForClientLocked(WindowManagerService.java:9484)
07-05 00:29:29.573 1530 2362 W WindowManager: at com.android.server.wm.WindowManagerService.windowForClientLocked(WindowManagerService.java:9475)
07-05 00:29:29.573 1530 2362 W WindowManager: at com.android.server.wm.WindowManagerService.removeWindow(WindowManagerService.java:2396)
07-05 00:29:29.573 1530 2362 W WindowManager: at com.android.server.wm.Session.remove(Session.java:193)
07-05 00:29:29.573 1530 2362 W WindowManager: at android.view.ViewRootImpl.dispatchDetachedFromWindow(ViewRootImpl.java:3290)
07-05 00:29:29.573 1530 2362 W WindowManager: at android.view.ViewRootImpl.doDie(ViewRootImpl.java:5923)
07-05 00:29:29.573 1530 2362 W WindowManager: at android.view.ViewRootImpl$ViewRootHandler.handleMessage(ViewRootImpl.java:3629)
07-05 00:29:29.573 1530 2362 W WindowManager: at android.os.Handler.dispatchMessage(Handler.java:102)
07-05 00:29:29.573 1530 2362 W WindowManager: at android.os.Looper.loop(Looper.java:154)
07-05 00:29:29.573 1530 2362 W WindowManager: at android.os.HandlerThread.run(HandlerThread.java:61)
07-05 00:29:29.573 1530 2362 W WindowManager: at com.android.server.ServiceThread.run(ServiceThread.java:46)
07-05 00:29:30.507 1530 1530 W WindowManager: Attempted to remove non-existing token: android.os.Binder@b66353c
07-05 00:29:30.555 9280 9296 I Adreno-EGL: <qeglDrvAPI_eglInitialize:379>: EGL 1.4 QUALCOMM build: Nondeterministic_AU_msm8974_LA.BF.1.1.3__release_AU (I3fa967cfef)
07-05 00:29:30.555 9280 9296 I Adreno-EGL: OpenGL ES Shader Compiler Version: E031.28.00.02
07-05 00:29:30.555 9280 9296 I Adreno-EGL: Build Date: 09/29/15 Tue
07-05 00:29:30.555 9280 9296 I Adreno-EGL: Local Branch: mybranch14683032
07-05 00:29:30.555 9280 9296 I Adreno-EGL: Remote Branch: quic/master
07-05 00:29:30.555 9280 9296 I Adreno-EGL: Local Patches: NONE
07-05 00:29:30.555 9280 9296 I Adreno-EGL: Reconstruct Branch: NOTHING
07-05 00:29:30.560 9280 9296 I OpenGLRenderer: Initialized EGL, version 1.4
07-05 00:29:30.560 9280 9296 D OpenGLRenderer: Swap behavior 1
07-05 00:29:30.558 9296 9296 W RenderThread: type=1400 audit(0.0:59): avc: denied { read } for name="gpuclk" dev="sysfs" ino=10984 scontext=u:r:untrusted_app:s0:c512,c768 tcontext=u:object_r:sysfs:s0 tclass=file permissive=0
07-05 00:29:30.563 9280 9296 W Adreno-ES20: <get_gpu_clk:229>: open failed: errno 13