[MODES] Loading mode Default (0) for mode-current-id-202016
[LAYOUT] About to load Library/CurrentLayout-default.dwlt, keepMainWindow=False
Failed to load window layout: System.NullReferenceException: Object reference not set to an instance of an object
  at UnityEditor.ContainerWindow.GetWindowID () [0x00070] in <67055f1be3654e2a987254d5437ee5b8>:0
  at UnityEditor.ContainerWindow.get_windowID () [0x00010] in <67055f1be3654e2a987254d5437ee5b8>:0
  at UnityEditor.ContainerWindow.SaveGeometry () [0x00001] in <67055f1be3654e2a987254d5437ee5b8>:0
  at UnityEditor.ContainerWindow.Save () [0x0000d] in <67055f1be3654e2a987254d5437ee5b8>:0
  at UnityEditor.ContainerWindow.Close () [0x00001] in <67055f1be3654e2a987254d5437ee5b8>:0
  at UnityEditor.WindowLayout.LoadWindowLayout (System.String path, System.Boolean newProjectLayoutWasCreated, System.Boolean setLastLoadedLayoutName, System.Boolean keepMainWindow) [0x001e7] in <67055f1be3654e2a987254d5437ee5b8>:0
UnityEngine.DebugLogHandler:Internal_Log(LogType, LogOption, String, Object)
UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[])
UnityEngine.Logger:Log(LogType, Object)
UnityEngine.Debug:LogError(Object)
UnityEditor.WindowLayout:LoadWindowLayout(String, Boolean, Boolean, Boolean)
UnityEditor.WindowLayout:LoadProjectLayout(Boolean)
UnityEditor.WindowLayout:LoadCurrentModeLayout(Boolean)
UnityEditor.WindowLayout:LoadDefaultWindowPreferences()
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 35)