anybody?

its the player frame that's missing which is my portrait i don't what to do as it won't appear would somebody please help me as i don't want to have to delete my character and start all over agian!! and ive just disabled and re-anabled the player frame and still nothing is visable

i was just doing a heroic then all of a sudden my character portrait just vanished and i have no way of seeing how much health i have left or anything ive re-logged and even reset back to default task bars etc. but hasn't appeared back does anybody know what i might have done or what i can do to get it back