Guild Wars 2

I dont know if this is a bug but i completed the story too the begining of HOT and then gain enough exp for the basic glider but the emeblem too click in the hero menu where the icon for it is is greyed out and says you need 0 mastery points . is there somthing else i need too do ? and i do have a mastery point there availble .

They just fixed that: Source

Bug Fix:
Fixed a bug that prevented progress in the Gliding Mastery line for new players.

ok thanks i will log on now and see what happens