Flawless Serpent Man Mace recipe is missing

Game mode: Online
Problem: Bug
Region: USA

T4 blacksmiths have every other flawless serpent man weapon except mace, only the normal version is available.

Steps on how to reproduce issue:

  1. Get serpent man recipe
  2. Go to your advanced blacksmith bench
  3. Have a t4 blacksmith
  4. Observe how flawless serpent man mace is missing from the list.