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Fixed in 2023.2.0b12, 2023.3.0a1, 7000.0.0a1



Found in


Issue ID




[VFX] Rewriting VFX assets that contain multiple systems results in errors



Versions tested: 2023.2.0a23

Steps to repro:

1) Start a new HDRP project

2) Create a new heads & tails template  (or any other template and duplicate the entire system at least once).

3) Click on "+", create a new Simple Loop VFX Graph, name as a previous one, click to replace the file

4) Observe graph view glitching and errors thrown:


NullReferenceException: Object reference not set to an instance of an object
UnityEditor.VFX.UI.VFXSystemBorder.Update () (at ./Library/PackageCache/com.unity.visualeffectgraph@16.0.2/Editor/Utils/VFXSystemBorder.cs:450) ...


  1. Resolution Note (fix version 2023.3.0a1):

    Verified on version 2023.3.0a1

  2. Resolution Note (fix version 2023.2.0b12):

    Verified on version 2023.2.0b12

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