Mace of Thag bugged

Basic Info:

Platform: PlayStation 5
Issue Type: Gameplay
Game Mode: Online Official
Server Type: PvE-Conflict
Map: Isle of Siptah
Server Name: 8065

Bug Description:

Mace of Thag doesn’t sunder on lights like it is supposed to only on heavy attacks.

Bug Reproduction:

Swing it using lights and no sunder effect occurs