/loadui is BROKEN in eq2. They keep saying it's fixed, but it never works right. Just make sure you have the right directory inside the UI directory called in your eq2.ini file. If you need a fresh copy of the Macros UI v2.0, you can get it from this thread:
http://www.taultunleashed.com/phpbb2/vi ... hp?t=23820
Good Luck!