Mem error


I installed rt-3.8.1 on fedora 7 with 2Gb RAM

I can login ok but when i try to go to different pages in RT

I keep getting

Out of memory!
Callback called exit.

Any ideas please

BTW I am new to linux and RT


Get more out of the Web. Learn 10 hidden secrets of Windows Live.!550F681DAD532637!5295.entry?ocid=TXT_TAGLM_WL_domore_092008