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Exception on Unity exit play mode

April 11, 2018 - 6:33am #1

Hello,

When the model target is tracked and I exit play mode in Unity, I receive an exception:

Exception in callback: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> UnityEngine.MissingReferenceException: The object of type 'DefaultTrackableEventHandler' has been destroyed but you are still trying to access it.

I don't have any exception when I run the same scene with an image target. What could be the issue?

I am using:

- Vuforia 7.0.47

- Unity 2017.3.1

Thanks.

Exception on Unity exit play mode

April 12, 2018 - 1:55am #3

It is happening in a new project with a custom model target. 

I tried again today after restarting the computer and there is no exception anymore. I don't know what has changed. If it occurs again I will try with the sample scene.

Thank you for your quick response. 

Exception on Unity exit play mode

April 11, 2018 - 9:29am #2

Hello denizz,

Is this happening in the samples and/or a new project?

Thanks,

Vuforia Support

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