Type-1 Fishing Counterfoil, Cannot purchase

ISP:
Cox

Type of Internet Connection:
Cable

Internet Connection Speed:
100M/bits

Date & Time:
07/25/2015 11:30AM CDT

Frequency:
Always


Character Name:
Elan Tedronai

Race:
Miqo'te

World:
Excalibur

Class/Level:
FSH 50

Area and Coordinates:
Idyllshire (6,4)

Party or Solo:
Solo

NPC Name:
Splendors Vendor

Monster Name:
None

In-Game Time:
Any

Steps:
Attempt to purchase a Type-1 Fishing Counterfoil with the required collectable in my inventory.

Receive an error "Unable to complete transaction. You cannot carry more than one of this untradeable item." Have zero of this item in my inventory.

http://i.imgur.com/cFtpVae.jpg