What could be the reason or place to search for:
system_process E/WindowManager: No home screen found for Intent { act=android.intent.action.MAIN
cat=[android.intent.category.HOME] flg=0x100 }
java.lang.Throwable
at com.android.server.wm.RootWindowContainer.resolveHomeActivity(RootWindowContainer.java:1577)
at com.android.server.wm.RootWindowContainer.startHomeOnTaskDisplayArea(RootWindowContainer.java:1519)
at com.android.server.wm.RootWindowContainer.resumeHomeActivity(RootWindowContainer.java:1677)
at com.android.server.wm.ActivityStack.resumeNextFocusableActivityWhenStackIsEmpty(ActivityStack.java:1994)
at com.android.server.wm.ActivityStack.resumeTopActivityInnerLocked(ActivityStack.java:1559)
at com.android.server.wm.ActivityStack.resumeTopActivityUncheckedLocked(ActivityStack.java:1511)
at com.android.server.wm.RootWindowContainer.resumeFocusedStacksTopActivities(RootWindowContainer.java:2337)
at com.android.server.wm.RootWindowContainer.resumeFocusedStacksTopActivities(RootWindowContainer.java:2286)
at com.android.server.wm.ActivityTaskManagerService$LocalService.resumeTopActivities(ActivityTaskManagerService.java:6867)
at com.android.server.am.ActivityManagerService.systemReady(ActivityManagerService.java:9736)
at com.android.server.SystemServer.startOtherServices(SystemServer.java:2232)
at com.android.server.SystemServer.run(SystemServer.java:592)
at com.android.server.SystemServer.main(SystemServer.java:408)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:925)