In that case I'm stumped! I would now need full admin access to the Moodle installation and server to investigate the file permissions / ACL's / web server set-up to determine what is wrong - but that would be very specific support and would need to be paid for - as I no longer believe that there is anything wrong with the format from my end.
Courses and course formats
Grid Format versioning
This discussion has been locked so you can no longer reply to it.