Might be worth trying a different mirror https://www.parrotsec.org/docs/mirror-list/.
Can you access the IP in a browser?
I assume the internet works otherwise?
The correct way to update is via the command
parrot-upgrade
Do you know where to find the docs on this?
Update Your repo
Amd try again
what is best mirror country iraq
Probably http://parrot.asis.io/ seeing as its physically closest. You could just ping different ones and see which has the lowest response time.