Time: 2013/11/20, 9:00 CST approx.
Frequency: Once
World name: Ultros
Character name: Khulud Zumurrud
NPC name: N/A
Monster name: N/A
Class/Level: GSM 50
Party or solo: Solo
In-game time: Unknown
Area and coordinates: Ul'dah - Steps of Nald (13,11 approx.)

Steps:
1. Begin crafting Rose Gold Ingot.
2. Error 90000 in the middle of the synthesis.
3. 1 x Error 3102 on first login attempt.
4. Lose all materials.

I still had my crafting food buff after the reconnection, but all materials vanished instead of returning me to a craft in progress.

Connection Specs
- Type of internet connection/provider: Cable/Earthlink