Unable To Buy Zeta Replica

[RobinMalvin]

When submitting a bug report, please use the below template and thoroughly fill out the necessary information.

Date & Time: 13 Dec 2017
Frequency: Ongoing
World name: Tonberry
Character name: Robin Malvin
NPC name: Drake <Replica Vendor>
Class/Level: Summoner/70
Area and coordinates: North Shroud X:30.3 Y:20.1
Steps:
1. Completed the Zodiac Weapon questline on 26 Mar 2017, and obtained the Zodiac weapon for Summoner job 'Apocalypse Zeta'.
2. Completed sidequest "The Vital Title" a day or two after. The quest is now listed under Completed in the Journal log as shown here https://imgur.com/a/uArpO
3. Unlocked function for NPC Drake to provide for Zeta replica as shown here https://imgur.com/3KC2Suw
4. Traded the Zeta weapon in to advance through Anima questline.
5. Tried to buy the replica Zeta weapon from Drake, and yet the NPC declined my request as shown here https://imgur.com/a/59vbZ