Unpack_from requires a buffer of at least 2 bytes

[ran-j]

I'm trying to load a model from a PS2 game called Shijyou Saikyou no Deshi Kenichi - Gekitou! Ragnarok Hachikengou.

But i'm geting this error.

Here is the source model: https://drive.google.com/drive/folders/13Wwkr_ceYsCrMtqopm13JRtIHihxwtw8?usp=sharing