Fatal Error, Memory issue when trying to make changes to theme.

Im not sure if that has anything to do with my theme, plugins or if this has to do with my server settings.

I was hopping you could shed some light on the matter.

Im running a HostGator dedicated.

This is only effecting the backend of my site as far as I can tell.
http://whitehatmastermind.com/

Best regards

-Seth