Guess i'll add mine to the mix.
Details: Same issue Error (30002) 1347011403,0,5 after crashing in an instance (Garuda Hard to be specific).
Date and time: 9/4/2012 around 8:40 pm eastern time.
Frequency: Happened once, unable to log on afterwards for 3 days.
PC: ASUS M4A785TD-M Evo
OS: Windows 7 64 bit
Graphics card: GeForce GTX 460
ISP: Onelink High speed cable internet

Number for my technical support ticket: 1785154