Gatekeeper Milia:
You have not started a quest yet. If you teleport to another place, you can't preceed with a mission properly.
Even so, I need to confirm you really wish to go somewhere else. Can you check again, please?
(If your Main Class is Lv. 99 or below, you can teleport for free.)
Teleport Check other menus Quest (If you want to preceed with the Basic Mission: Harnak Underground Ruins quest, click the [Quest] button)