GCX MGS3 ERROR

[Digote]

I'm trying to use it in an HD collection file but it gives me this error, file scenerio_stage_r_sna01.gcx

scenerio_stage_r_sna01.zip

C:\Users\diego\Downloads\Teste\gcx_decompiler-main>py gcx_decompiler.py scenerio_stage_r_sna01.gcx ".\out"
Traceback (most recent call last):
File "C:\Users\diego\Downloads\Teste\gcx_decompiler-main\gcx_decompiler.py", line 1023, in
gcx = gcx_parser(data, dictionary = STRCODES)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\diego\Downloads\Teste\gcx_decompiler-main\gcx_decompiler.py", line 251, in init
size = self.get_block_size()
^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\diego\Downloads\Teste\gcx_decompiler-main\gcx_decompiler.py", line 334, in get_block_size
value = self.read_u8() & 0xF
^^^^^^^^^^^^^^
File "C:\Users\diego\Downloads\Teste\gcx_decompiler-main\gcx_decompiler.py", line 263, in read_u8
value = self.read_u8_at_offset(self.pos)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\diego\Downloads\Teste\gcx_decompiler-main\gcx_decompiler.py", line 259, in read_u8_at_offset
value = struct.unpack("<B", self.data[offset:offset+1])[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
struct.error: unpack requires a buffer of 1 bytes

C:\Users\diego\Downloads\Teste\gcx_decompiler-main>pause
Pressione qualquer tecla para continuar. . .

Thanks for the tool