Question : error when accessing joomla after migration to new web host

I am moving to a new web host.  Have moved all of our files to the new site.  Have moved databases.  I can successfully make FTP connection and see all of the files.  I get and error when I try to load the homepage - it reads:

Fatal error: Class 'JComponentHelper' not found in /home/agrok/public_html/2-dev/includes/application.php on line 60

Any ideas what's wrong, and how do i fix it?

Answer : error when accessing joomla after migration to new web host

It sounds like your joomla did not transfer over successfully.  I have had this happen to me and just re installed Joomla then moved over my databases afterwards.