I have a 120 boosted shaman On the Alliance that legion quests are not working After Assault on the Broken Shores

120 boosted shaman accidentally hit abandon qust after assault on broken shores quest were greymane sais give anduin his father’s letter now I’m stuck and no way to fix it try talking to archmage elysania but she dont do anything went to see if I could talk to recuiter lee but he dissapeared before I could talk to him plus tried to reset my UI and that did not work I didnt spend 60$ just to be screwed out of not being able to play my character Quests can someone please help me with this.