Crash in playblack with more than 1 viewport panel
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- Wolfram Language
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Description
**Describe the bug**
We are getting constant crashes when trying to work with more than 1 viewport panel opened. We have narrowed the bug to having textures loaded and having them enabled in one panel but not in the other. At a certain point when working either transforming maya objects or usd objects it crashes, it also seems like even though the textures don't change it is trying to refresh them
**Steps to reproduce**
- Sublayer a USD file, preferably with textures. Using an ACES colorspace in the viewport makes this more evident since you get the: "Could not find a UsdUVTexture shader that outputs to working color space ACES - ACEScg" error
- Duplicate the viewport panel
- Animate, play, move either a maya object (like a Sphere) or a usd object
- Also try to switch the panel layout
**Expected behavior**
Not crash
**Attachments**
[MayaCrashLog231019.1620.log](https://github.com/Autodesk/maya-usd/files/13043966/MayaCrashLog231019.1620.log)
https://github.com/Autodesk/maya-usd/assets/63202439/a81ca675-0ef5-41b7-a3de-9c7339203c1d
**Specs (if applicable):**
- Windows 10 Pro 22H2
- Maya 2024.1
- MayaUSD 25.0
- Pixar USD 22.1
**Additional context**
Add any other context about the problem here.
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