QUEST BUG(It's urgent. Please help me)

[GrimReaper]

Now I am stucked in Thorn Hollow map(inside the map Mirror cave), can not go out side, because the vegetation stop me(use big rock to clear when doing quest)

After I finish the quest(the quest to looking for kidnaped children), I just go offline and didn't go outside, now, the Vegetation(cleared when doing quest) grow up again, it stop me there, I can't  moving out.

HELP HELP HELP

[Ollie]

You can teleport to a learned waypoint by simply clicking on it on the map