How to reproduce:

1. Import the attached VFX to any project
2. Open VFX and make sure that vfx graph window is visible (if during play mode window Game View gets focused, switch back to VFX window)
3. Enter Play Mode
4. Exit Play Mode

Expected result: No errors thrown

Actual result: Errors thrown

Note:

• Funtionality does not seem to be affected
• Can be reproduced with domain reload as well

Reproducible with: 6000.0.50f1, 6000.4.0a2

Not reproducible with: 6000.0.49f1

ArgumentException: Context does not exist
UnityEditor.VFX.VFXData+<GetAttributesForContext>d__42.MoveNext () (at ./Library/PackageCache/com.unity.visualeffectgraph@c8807469794f/Editor/Data/VFXData.cs:248)
System.Linq.Enumerable.Any[TSource] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] predicate) (at <35debb714aea4cd9b0221bb8b3f5103e>:0)
UnityEditor.VFX.VFXBasicInitialize.GenerateErrors (UnityEditor.VFX.VFXErrorReporter report) (at ./Library/PackageCache/com.unity.visualeffectgraph@c8807469794f/Editor/Models/Contexts/Implementations/VFXBasicInitialize.cs:137)
UnityEditor.VFX.VFXErrorReporter.GenerateErrors () (at ./Library/PackageCache/com.unity.visualeffectgraph@c8807469794f/Editor/Models/VFXErrorManager.cs:156)
UnityEditor.VFX.VFXErrorManager.GenerateErrors () (at ./Library/PackageCache/com.unity.visualeffectgraph@c8807469794f/Editor/Models/VFXErrorManager.cs:48)
UnityEditor.VFX.VFXGraph.RecompileIfNeeded (System.Boolean preventRecompilation, System.Boolean preventDependencyRecompilation) (at ./Library/PackageCache/com.unity.visualeffectgraph@c8807469794f/Editor/Models/VFXGraph.cs:1684)
UnityEditor.VFX.UI.VFXViewWindow.Update () (at ./Library/PackageCache/com.unity.visualeffectgraph@c8807469794f/Editor/GraphView/VFXViewWindow.cs:385)
UnityEditor.HostView.SendUpdate () (at /Users/bokken/build/output/unity/unity/Editor/Mono/HostView.cs:708)
UnityEditor.EditorApplication.Internal_CallUpdateFunctions () (at /Users/bokken/build/output/unity/unity/Editor/Mono/EditorApplication.cs:401)