Error extracting

[markyy1991]

Hello all, im trying to unpack .ubi files and i get this error, any help? the ecc has previusly fixed.

Error description:

ubireader_extract_files file.ubi
Traceback (most recent call last):
File "/usr/bin/ubireader_extract_files", line 152, in
ubi_obj = ubi(ufile_obj)
^^^^^^^^^^^^^^
File "/home/kali/.local/lib/python3.11/site-packages/ubireader/ubi/init.py", line 146, in init
super(ubi, self).init(ubi_file)
File "/home/kali/.local/lib/python3.11/site-packages/ubireader/ubi/init.py", line 46, in init
self._blocks = extract_blocks(self)
^^^^^^^^^^^^^^^^^^^^
File "/home/kali/.local/lib/python3.11/site-packages/ubireader/ubi/block/init.py", line 131, in extract_blocks
blk.data_crc = (~crc32(buf[blk.ec_hdr.data_offset:blk.ec_hdr.data_offset+blk.vid_hdr.data_size]) & UBI_CRC32_INIT)
^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'data_size'