Platform: PC
ISP: Tefefónica de España (TdE)
Type of Internet Connection: ADSL
Internet Connection Speed: 10Mb/s
Date & Time: Dec. 27, 2011 16:14 CET
Frequency: Once (Did not reproduce)
Character Name: Umo Heima
Race: Highlander
World: Gysahl
Class/Level: Archer/39
Area and Coordinates: Gridania > Quiver's Hold (8, 5)
Party or Solo: Solo
NPC Name: Nonolato
Monster Name: N/A
In-Game Time: 22:00
Steps:

1. Headed to Quiver's Hold (see above for Area and Coordinates)
2. Noticed NPC Nonolato had the "!" mark over his head indicating that a new quest was available.
3. Spoke to said NPC and activated Archer 36 Class quest "There Can Be Only One".
4. Quiver's Hold linkpearl wasn't glowing on gadget (located between "Use item" and "Personal chocobo" icons). It wasn't glowing on NPC linkpearl list neither (accesed via Main Menu > NPC Linkpearls)

Related reported bugs can be found HERE and HERE.