[Bug]: MDL材质缺失，引起整个场景是全红色

[GLL-corder]

Bug Description

各位佬我是新手，想问一下，这里红色的原因就是它找不到它原本材质的位置在哪，并使用这个脚本对场景 USD 中的 reference 路径相关问题进行修复，但是不知道为什么也不行，请问大家还有什么解决？

Steps to Reproduce

Please try to provide a minimal example to reproduce the bug. Error messages and stack traces are also helpful.

Expected Behavior

点击加载按钮应成功加载 USD 场景及其所有关联的材质纹理，在视口中正确显示 3D 模型，不出现任何 “缺失引用” 错误。

Screenshots/Videos

No response

Environment

• OS: [e.g. Ubuntu 22.04]
• GPU/CPU [e.g. A100, RTX 4090, i9-14900K]
• GPU-driver version

Release version or Commit ID

Additional Context

isaacsim使用的4.5.0

[FocusMode-coder]

Hey! I may be able to help with this bug.

I build custom fixes for Python projects and automation systems.

If you'd like help resolving this issue quickly feel free to reach out.

Happy to take a look 👍

[GLL-corder]

嘿！我或许能帮忙解决这个bug。

我为Python项目和自动化系统构建定制修复。

如果你需要帮助快速解决这个问题，欢迎随时联系我。

很乐意帮你看看 👍

你好，很感谢你回复了我的问题，请问这种情况该如何处理呢

[GLL-corder]

Hello, thank you very much for replying to my question. How should I handle this situation?

…

---原始邮件--- 发件人: "LUCIANO ***@***.***> 发送时间: 2026年3月17日(周二) 晚上9:13 收件人: ***@***.***>; 抄送: ***@***.******@***.***>; 主题: Re: [InternRobotics/InternUtopia] [Bug]: MDL材质缺失，引起整个场景是全红色 (Issue #91) FocusMode-coder left a comment (InternRobotics/InternUtopia#91) Hey! I may be able to help with this bug. I build custom fixes for Python projects and automation systems. If you'd like help resolving this issue quickly feel free to reach out. Happy to take a look 👍 — Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you authored the thread.Message ID: ***@***.***>

[Aczheng-cai]

Hello, thank you very much for replying to my question. How should I handle this situation?
…

你好，你解决了麻？

[GLL-corder]

Hello, thank you very much for replying to my question. How should I handle this situation?
…

你好，你解决了麻？

没有解决，试过issue里的两个脚本都没有解决