Transmutation not working

[Kneeshooter-amanthul (Kneeshooter)]

• Alchemy
  • Transmutation crafts have been temporarily disabled in order to address an exploit. It is our top priority to resolve the underlying issue and re-enable Transmutations as soon as possible.

WoW Hotfixes - Updated December 20 - Community / General Discussion - World of Warcraft Forums (blizzard.com)