Unable to purchase Master Weaver I Tome from Talan

[TechnoMinari]

ISP:
VMedia

Type of Internet Connection:
Cable

Internet Connection Speed:
60Mbit/s

Date & Time:
May 14, 2015, 2:00AM EST

Frequency:
Always

Character Name:
Techno Minari

Race:
Miqo'te M

World:
Midgardsormr

Class/Level:
Assorted, LV50 WVR, LV50 BRD, LV50 ALC

Area and Coordinates:
Mor Dhona X22, Y6

Party or Solo:
Solo

NPC Name:
Talan

Monster Name:
None

In-Game Time:
Happens always so irrelevant

Steps:
1. Have in inventory 5 HQ Vanya Silk
2. Approach Talan NPC.
3. Select Master Crafting Tomes of the list of options.
4. Attempt to turn in 5 HQ Vanya Silk to receive Master Weaver I book. The option to turn in is clearly highlighted indicating
5. Error message that pops up is "Unable to complete transaction. You cannot carry more than one of this untradeable item."

[Mholito]

That means you already have it