Integration Manager Null Reference On Setup

Followed the process of installing UIS with UCC and reached this error when getting to the Integrations Manager step, which is just an empty screen.

NullReferenceException: Object reference not set to an instance of an object
UnityEditor.ObjectListArea+LocalGroup.UpdateAssets () (at <b76552deb4624e46abeeb45b48b7f62d>:0)
UnityEditor.ObjectListArea.SetupData (System.Boolean forceReflow) (at <b76552deb4624e46abeeb45b48b7f62d>:0)
UnityEditor.ObjectListArea.HandleListArea () (at <b76552deb4624e46abeeb45b48b7f62d>:0)
UnityEditor.ObjectListArea.OnGUI (UnityEngine.Rect position, System.Int32 keyboardControlID) (at <b76552deb4624e46abeeb45b48b7f62d>:0)
UnityEditor.ProjectBrowser.OnGUI () (at <b76552deb4624e46abeeb45b48b7f62d>:0)
UnityEditor.HostView.InvokeOnGUI (UnityEngine.Rect onGUIPosition, UnityEngine.Rect viewRect) (at <b76552deb4624e46abeeb45b48b7f62d>:0)
UnityEditor.DockArea.DrawView (UnityEngine.Rect viewRect, UnityEngine.Rect dockAreaRect) (at <b76552deb4624e46abeeb45b48b7f62d>:0)
UnityEditor.DockArea.OldOnGUI () (at <b76552deb4624e46abeeb45b48b7f62d>:0)
UnityEngine.UIElements.IMGUIContainer.DoOnGUI (UnityEngine.Event evt, UnityEngine.Matrix4x4 parentTransform, UnityEngine.Rect clippingRect, System.Boolean isComputingLayout, UnityEngine.Rect layoutSize, System.Action onGUIHandler, System.Boolean canAffectFocus) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.IMGUIContainer.HandleIMGUIEvent (UnityEngine.Event e, UnityEngine.Matrix4x4 worldTransform, UnityEngine.Rect clippingRect, System.Action onGUIHandler, System.Boolean canAffectFocus) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.IMGUIContainer.HandleIMGUIEvent (UnityEngine.Event e, System.Action onGUIHandler, System.Boolean canAffectFocus) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.IMGUIContainer.HandleIMGUIEvent (UnityEngine.Event e, System.Boolean canAffectFocus) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.IMGUIContainer.SendEventToIMGUIRaw (UnityEngine.UIElements.EventBase evt, System.Boolean canAffectFocus, System.Boolean verifyBounds) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.IMGUIContainer.SendEventToIMGUI (UnityEngine.UIElements.EventBase evt, System.Boolean canAffectFocus, System.Boolean verifyBounds) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.IMGUIContainer.HandleEvent (UnityEngine.UIElements.EventBase evt) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.CallbackEventHandler.HandleEventAtTargetPhase (UnityEngine.UIElements.EventBase evt) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.MouseCaptureDispatchingStrategy.DispatchEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.EventDispatcher.ApplyDispatchingStrategies (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel, System.Boolean imguiEventIsInitiallyUsed) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.EventDispatcher.ProcessEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.EventDispatcher.ProcessEventQueue () (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.EventDispatcher.OpenGate () (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.EventDispatcherGate.Dispose () (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.EventDispatcher.ProcessEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.EventDispatcher.Dispatch (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel, UnityEngine.UIElements.DispatchMode dispatchMode) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.BaseVisualElementPanel.SendEvent (UnityEngine.UIElements.EventBase e, UnityEngine.UIElements.DispatchMode dispatchMode) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.UIElementsUtility.DoDispatch (UnityEngine.UIElements.BaseVisualElementPanel panel) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.UIElementsUtility.UnityEngine.UIElements.IUIElementsUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr, System.Boolean& eventHandled) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.UIEventRegistration.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.UIElements.UIEventRegistration+<>c.<.cctor>b__1_2 (System.Int32 i, System.IntPtr ptr) (at <1cdf5c2cc10149169242b9590b7ebb6b>:0)
UnityEngine.GUIUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr, System.Boolean& result) (at <c44e24cb7b9d4e5096e65a3281e887f5>:0)
 
That's a weird error, it's pure Unity source code, it doesn't look like it has anything to do with our code. I'm glad it fixed itself.

Feel free to report this bug to Unity.
 
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