buggy achievement

Time: 4:16 p.m. Server time
Frequency: Noticed today, might've been since launch
World name: Cerberus
Character name: Sephaistos Eum
NPC name: -
Monster name: -
Class/Level: -
Party or solo: -
In-game time: -
Area and coordinates: -
Steps:
1. Checked through Achievements out of boredom and noticed in the Legacy -> Seasonal Events -> "It's Reining Deer"
2. This Achievement is shown as "Achieved"/"Obtained", but the Title reward is not shown on Profile -> Title-list.
3.
http://i.imgur.com/lywdO4P.png