Hero's Call: Mount Hyjal! bug

Unable to talk to Cenarion Emissary Jademoon to start cataclysm. The NPC disappears.

The NPC needs moved out of Stormwind castle
Something needs to be done to figure out what is phasing your character, and to release your character from being locked out of quests

Did you ever figure out what was phasing out your character? It’s doing the same thing to me.