error with pages

[lgbainbridge]

i get the following error DIR_FS_CATALOG_TEMPLATES NOT SET when in admin and i click on tools::template selection. i don't know what is going on. I am new to this and I have looked around in the FAQ's. i am curious why my store isn't coming up either.
can someone help

[kobra]

Need more??

Zen Cart ver
fresh install or moved site/install or upgraded
Server type & the services versions ie. apache, mysql and php

An explanationof how you installed as Zen Cart normally writes the configs for you on installation - and/or any edits to the confif files you might have made