"With the Utmost Care" Main story quest - Key item disappearance

[S4murai]

Time: 02/04/2017 ~6:00 AM EST

Frequency: Once

World name: Leviathan

Character name: Electromancer Blix

Retainer name: (I assume this means the same as container) Key items

NPC name: Hahasako

Monster name: None

Class/Level: ~46

Party or solo: Solo

In-game time: 11am server time ; Eorzea time unknown

Area and coordinates: Eastern Thanalan ; X: 21.4 Y: 21.9

Housing: None

Steps:

1. Show key item: "Heavy Warded Pot" to NPC: "Hahasako"
2. Lose connection to the game/internet drop
3. Log back into game
4. Quest progresses to next step: "Present the corrupted crystal to Lamberteint."
5. Key item "Heavy Warded Pot" is no longer in key items inventory, disappeared if you will, and quest cannot be progressed.