We apologize for this inconvenience.
The Aura of Command skill is bugged and didn't get solved with the latest patch.
Do you have a recent savegame? Reading your post, I fear you don't have one.
The only work-around for the Aura of Command bug is to re-load a save where it had not occurred yet.
If you don't have a recent savegame, or you don't want to re-start a while back into the game, you can use iZakaroN's SaveEditor
- there you can remove the skill points you put in Aura of Command. But please, read that post very carefully.
Sorry that I can't help you more.