Discipline shows up multiple times in skill menu/bar

So when I socketed in my vaal disc it has two regular discipline aura icons and the vaal discipline aura icon. When activating the aura it activates normally, however if you try to activate the second aura it removes the skill from your bar. Sometimes it replaces the skill with vaal discipline on your bar, sometimes not. https://imgur.com/a/Ox1TIeg. Doesn't seem to have any effect on gameplay, just weird.

Having this exact issue. Not gameplay impacting I think but slightly annoying.
Pics to refer, also weird thing the other has 35% reserve, even it should be 32% as I got englighten.

Got the same issue but I have another opinion about impact.
Since I am using Empower on my Vaal Discipline, the reservation is 14% but with the "extra" Discipline there is an 11% reservation with the same level, because my ES does not change, and the unreserved mana changes from 147 to 187.

This could be exploited (willingly or unwillingy who knows) by some aura users.

I noticed the "extra" Discipline after I had enchanted my gloves (in which I put my Vaal Discipline). But I am not quite sure, if the "extra" Discipline was there before.