Hello.
These quests aren't available anymore.

https://www.wowhead.com/quest=72658/flightstones
https://www.wowhead.com/quest=75506/shadowflame-crests
https://www.wowhead.com/quest=75507/catching-up-with-friends

Thanks for letting me know, I've released an update (v10.0) with these quests removed.

Thank you!