I had a similar problem because I jumped in and wanted to try it real quick. I used to use Minilogin but when they decided to "take" that from me, I had to follow specific instructions on setting up a dynamic IP account so the login server and people behind my linux server could both login. If you have a firewall/router, follow the instructions here:
http://forums.eqemu.net/showthread.p...;threadid=2541
Mainly look at inkubus' post.
As did DuDeMaN, I tried to set GM permissions before entering the game and found out it could only be set AFTER logging in, creating a character and logging back out.
The database error your getting sounds like your using an old version of EQAdmin. Try d/l'ing the latest.