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
ဆွေးနွေးပွဲ သော့ခတ်ထားသောကြောင့် အကြောင်းပြန်၍ မရတော့ပါ။