Unable to load MFF files : ParseError: not well-formed(invalid token)

I understand. Here I attached a google drive with a very simple python script that causes an error with these specific recordings. It’s reading the fif file well but .mff file causes ParseError. If you can help me, I will be very grateful. I can’t upload and work on mff recordings.

https://drive.google.com/drive/folders/1WR1r7w3qLEdtLHWcwheAph1ExrCs3mOi?usp=sharing