The latest, brand new cvs release of the peq db is usually still behind the eqemu version. Whenever I do a cvs update on the peq db, I find the newest file and apply all sql changes in the changelog from that date on. However, I don't think this is your big problem.
Code:
[01.31. - 13:15:20] [WORLD__CLIENT_ERR] NOCLE: Expecting OP_SendLoginInfo, got OP_AckPacket
Did you copy in the latest patchfiles? I know those have had significant updates.