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2.0.0a8 NullReferenceException in Bolt Toolbar

Ex-Crow 9 months ago updated 8 months ago 2

This appears to be some kind of Bolt Toolbar related glitch.

NullReferenceException: Object reference not set to an instance of an object
UnityEngine.UIElements.UIR.RenderChain.Render (UnityEngine.Rect topRect, UnityEngine.Matrix4x4 projection) (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRChainBuilder.cs:238)
UnityEngine.UIElements.UIRRepaintUpdater.DrawChain (UnityEngine.Rect topRect, UnityEngine.Matrix4x4 projection) (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRRepaintUpdater.cs:66)
UnityEngine.UIElements.UIRRepaintUpdater.Update () (at C:/buildslave/unity/build/Modules/UIElements/Renderer/UIRRepaintUpdater.cs:54)
UnityEngine.UIElements.VisualTreeUpdater.UpdateVisualTree () (at C:/buildslave/unity/build/Modules/UIElements/VisualTreeUpdater.cs:72)
UnityEngine.UIElements.Panel.Repaint (UnityEngine.Event e) (at C:/buildslave/unity/build/Modules/UIElements/Panel.cs:637)
UnityEngine.UIElements.UIElementsUtility.DoDispatch (UnityEngine.UIElements.BaseVisualElementPanel panel) (at C:/buildslave/unity/build/Modules/UIElements/UIElementsUtility.cs:240)
UnityEngine.UIElements.UIElementsUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at C:/buildslave/unity/build/Modules/UIElements/UIElementsUtility.cs:78)
UnityEngine.GUIUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at C:/buildslave/unity/build/Modules/IMGUI/GUIUtility.cs:179)
Bolt Version:
2.0.0a8
Unity Version:
2019.2.19
Platform(s):
PC
Scripting Backend:
Mono
.NET Version (API Compatibility Level):
.NET 4.x
Bolt 2
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Do you have reproduction steps?

Does the issue occur on the latest 2019.3 version and in Alpha 9? (I reworked the toolbar code a bit).

Haven't come across this again, it also was a single occurrence.