Well, how about I give you homework. Your are on a QNAP site. Maybe you could Google it?
But tell you what, in case your Google is broken, here’s some links. Seriously, you found this page. If you actually search a little bit yourself you will find this stuff quite easily instead of relying on us to do it for you. But here you go.
For opening a ticket:
To Collect Logs:
And:
https://www.google.com/search?q=how+do+I+open+a+QNAP+support+ticket
The Google one even has a nice AI answer with every step.
Oh yeah and see that menu at the top of this page where it says “Support”
Takes you right there. Seriously, man - please read and learn.