Magento Transfer to Godaddy Dedicated Server - repost

I transferred a magento site to a new domain and dedicated server at Godaddy. (.com is dedicated server & .ca is shared server) New dedicated server: [login to view URL] (Site is offline at the moment) LIve site on a shared server [login to view URL] I changed the domain where I found them in the new database but still have some errors. 1. When you add an item to the cart it says "The webshop is currently not available. Please come back again later." 2. In the magento backend when you click system / configuration / paypal / I get a 500 server error "Server error The website encountered an error while retrieving [login to view URL] It may be down for maintenance or configured incorrectly. Here are some suggestions: Reload this webpage later. HTTP Error 500 (Internal Server Error): An unexpected condition was encountered while the server was attempting to fulfill the request. 3. I Need the Paypal transaction to go through when done. I need someone to fix theses 2 issues.