Character Stat loss on item sets change

[pogol]

WoW Freakz link:
Bug description: When i change my equipments my character main stats descreased like a -600 agility and -500 stamina i tried many things and i cant solve and i have -1 spirit parmenently and when i change my equip i lost damage and stamina i send this post 1 month before and still no one care about my problem
Proof: http://imgur.com/a/PBI4a

[Scott]

This is because of the 80+ all stats chest enchant.
If you put the chest in the bag and then re-equip it will work fine, but yea hope will get fixed because it's annoying as fck.

[Afsaneh]

its funest seen bug! o-0