If you continue to crash while zoning, go into your EQ folder and find the ini file for the character that is crashing and delete it. When you relog into EQ it will rebuild that character file. This helped me and several friends who have had this same problem on the Lanys T'vyl server
from Alakazam's site. I wonder if it works, will test tonight when I get home.
and
EQ Options > Display > Dropdown menu on the top right corner "Loading Screen" change it from "Loading Art" to NONE
Tadaa~!
from P99 site
and
I was browsing the P99 forums and found people having the same problem. And a possible solution: Deactivating "Texture Caching" in OptionsEditor.exe.
Well, I can only say that I havent got any zone crash since I made that change.
Good Luck!
from the mother site !
http://www.eqemulator.org/forums/showthread.php?t=21577