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NullReferenceException WorkerToMainScheduler,UpdateFromMainThread

February 4, 2019 - 10:51am #1

Unity 2018.3.1f1

Vuforia 8.0.10

Error throws when starting playback in the editor and sometimes when viewing VuforiaConfiguration.asset in the inspector:

NullReferenceException: Object reference not set to an instance of an object

Vuforia.EditorClasses.WorkerToMainScheduler.UpdateFromMainThread () (at <863340cee03640148af16e5524363348>:0)

UnityEditor.EditorApplication.Internal_CallUpdateFunctions () (at C:/buildslave/unity/build/Editor/Mono/EditorApplication.cs:200)

No clue what the problem could be but looks like you guys aren't handling an exception very well.

Also getting a frequent info message about how to enable AR Core support. Not sure why it keeps showing, but we're not trying to use AR Core and don't really want to be reminded all the time. We have enough important log messages to look through!

Thanks!

smann
Joined:
August 15, 2017
Posts: 6
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NullReferenceException WorkerToMainScheduler,UpdateFromMainThread

February 6, 2020 - 1:10am #7

Open script by double clicking in the folder. Don't open it by double clicking on the inspector.

dulana2016342
Joined:
September 19, 2019
Posts: 3
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NullReferenceException WorkerToMainScheduler,UpdateFromMainThread

December 2, 2019 - 1:44am #6

Same here Unity 2019.2.5f1 & Vuforia 8.5.9, Reverted to Vuforia 8.3.9 Same issue.

This is incredible, every single time I'm using vuforia (and it's been years) I get a bunch of errors straight out of the box... Could you please keep a log on which version of vuforia to use with which version of unity maybe ? I've been a fan for years, but what a pain in the ass to get it started.... It gets really frustrating tbh.

On top of that I get huge drift and completely useless trackability if I enable track device pose. The 3D object doesn't even stick to the tracker... If I unenable it, it's super stable...

 

KrakenRealtime
Joined:
September 26, 2014
Posts: 18
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NullReferenceException WorkerToMainScheduler,UpdateFromMainThread

November 27, 2019 - 1:37am #5

Same problem +1

Unity 2019.1

Vuforia 8.3.8

 

Dinaya
Joined:
March 17, 2018
Posts: 2
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NullReferenceException WorkerToMainScheduler,UpdateFromMainThread

November 4, 2019 - 11:14pm #4

Same problem here

Unity 2019.2.0.f1

Vuforia 8.5.8

artbyejerblom
Joined:
January 16, 2018
Posts: 5
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NullReferenceException WorkerToMainScheduler,UpdateFromMainThread

May 27, 2019 - 7:58am #3

I'm having the same problem.

ullReferenceException: Object reference not set to an instance of an object

Vuforia.EditorClasses.WorkerToMainScheduler.UpdateFromMainThread () (at <863340cee03640148af16e5524363348>:0)

UnityEditor.EditorApplication.Internal_CallUpdateFunctions () (at C:/buildslave/unity/build/Editor/Mono/EditorApplication.cs:303)

Joe

JustBecauseGames
Joined:
May 23, 2019
Posts: 3
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NullReferenceException WorkerToMainScheduler,UpdateFromMainThread

February 13, 2019 - 2:05am #2

Unity 2018.3.5f1

Vuforia 8.0.10

Same problem, error message displayed in the Console :

NullReferenceException: Object reference not set to an instance of an object

Vuforia.EditorClasses.ImageTargetEditor.DrawPredefinedTargetInspectorUI (System.Boolean typeChanged) (at <863340cee03640148af16e5524363348>:0)

Vuforia.EditorClasses.ImageTargetEditor.OnInspectorGUI () (at <863340cee03640148af16e5524363348>:0)

UnityEditor.InspectorWindow.DoOnInspectorGUI (System.Boolean rebuildOptimizedGUIBlock, UnityEditor.Editor editor, System.Boolean wasVisible, UnityEngine.Rect& contentRect) (at C:/buildslave/unity/build/Editor/Mono/Inspector/InspectorWindow.cs:1625)

UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

It happens randomly, for example after modifying some code in Visual Studio and coming back to Unity. No explanation.

Timlead
Joined:
September 20, 2018
Posts: 4
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