Tmog problems

hi i am having problems with the Tmog system i cant Tmog my gear no more reinstalled game and did a run with out addons aswell reinstalled those to be save aswell but still same isseu admins tolled me to head to the forums in the hopes the gnomes and goblins see the post and do a rundown on it my friend has a divvrent isseu cant save tmog in the system anybody else having isseus ??

Are you trying to transmog a drakthyr?

Dracthyr can only Transmog their Helmet, Shoulders and Belt, while in their Dracthyr Form.