I had the same problem. It appears to be the custom interface I'm using, hotbar and Xp bar. I recieved the following:
[PM from Inyore] If you're crashing when loading it's suspected that your custom UI might be the issue. Please make a copy of your UI folder and Ini.file before deleteing, create a zip file and then send that to
[email protected].
The above cleared up the problem but am now using the larger hotbat icons until I can figure out to get the smaller ones back.
EQmap is working with the above fix.