Please don't rez old threads. It's better to start a new thread and then just reference to the old thread if need be.
As for the error, 2GB is on the far low side for EQ2. Assuming you have all of your in-game texture settings (character, character LOD, and environment) set to "Lowest" you simply may not be able to get in your guild hall if it has too many unique items. You can also try turning off any other programs you might have running: anything running in the background is eating RAM that EQ2 could be using.
In the meantime, to get your character back you can /petition on any other character and ask a GM to move the stuck character out of the guild hall for you.
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