[Unity] NullReferenceException: Object reference not set to an instance of an object

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  at UnityEngineLogCallback in Error while parsing stackframe: ShipsManagementPanel.AddSelectedGarrison (.Garrison garrison):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: ShipsManagementPanel.GuiGarrisonsHandler_SelectedGarrisonsCollectionChanged (System.Object sender, System.ComponentModel.CollectionChangeEventArgs e):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: FleetsScreen.OnSelectedFleetsCollectionChanged (CollectionChangeAction changeAction, System.Object element):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: FleetsScreen.SelectGarrison (.Garrison garrison):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: FleetsScreen.SelectGarrisonRadioMode (.Garrison garrison):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: FleetsScreen.OnBeginShow (Boolean instant):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: Amplitude.Unity.Gui.GuiPanel.Show (Boolean instant):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: Amplitude.Unity.Gui.GuiWindow.InternalShow (Boolean instant):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: Amplitude.Unity.Gui.GuiWindowsStack.ShowWindow (Amplitude.Unity.Gui.GuiWindow guiWindow, Boolean instant):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: Amplitude.Unity.Gui.GuiManager.ShowWindow (Amplitude.Unity.Gui.GuiWindow guiWindow, Boolean instant):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: GuiManager.SetGameWindowVisibility[FleetsScreen] (Boolean visible):line 0

  at UnityEngineLogCallback in Error while parsing stackframe: GuiManager.UpdateGameWindowsVisibility ():line 0

  at UnityEngineLogCallback in Error while parsing stackframe: GuiManager.Refresh ():line 0

  at UnityEngineLogCallback in Error while parsing stackframe: GuiManager.Update_IGuiGamePanelService ():line 0

  at UnityEngineLogCallback in Error while parsing stackframe: GuiManager.Update ():line 0

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V0.1.23 S0 ALPHA-Public (64-bit)