Is the scene you are importing into completely empty? For troubleshooting, I recommend you start a new instance of Blender, delete everything and try to import again. If that doesn't work, maybe the problem is in the SMD/QC files themselves. You can try to import the .smd files one by one to see which is the faulty one. Maybe even send us the contents of the QC.

I can import every single SMD file, but a common QC file I can't

Here is .QC
https://pastebin.com/1uM9DLFn

Why don't you just import the smd files one by one.

There's a corrupt character in your QC file. I don't see anything wrong with the uploaded text, but the website may have corrected the problem.

引用自 Momo：

Why don't you just import the smd files one by one.

If I'm loading file with flexes without qc then his shapes corrupting

But i can just not loading this file