Unity RoE: Unity Flavira- Sword Weapon Skills (UC) not working

Platform: PC
ISP: Virgin Media
Type of Internet Connection: Fibre Optics
Internet Connection Speed: ~30Mbps
Date & Time: Several occurances across multiple days
Frequency: always
Character Name: Spirachub
Race: Tarutaru
World: Cerberus
Main Job: BRD
Support Job: DNC
Area and Coordinates: Boyahda Tree, Ceizak Battleground
Party or Solo: Party
NPC Name: N/A
Monster Name: Various
Steps:
1. Enter zone
2. Flag Sword Weapon Skills (UC) [Flaviria 3-1]
3. engage any monsters with a sword equipped
4. weapon skill when TP > 1000
5. Weapon skill did not count towards this RoE.

notes:

• I've tried Fast Blade, Spirit Within
• Also did not work for a fellow Elvaan paladin character who used Vorpal Blade