by Chris Megahan.
It looks like you need to enable mysqi in php.
This blog post details the same issue with GoDaddy VPS but encountered in a wordpress install. Solution:
"I also had to recompile Apache with EasyApache and check MySql options from Exhaustive Options List"
http://www.codingpedia.org/ama/troubleshooting-wordpress-on-godaddy-vps-account/