Unable to purchase Master Weaver I Tome from Talan

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."

That means you already have it