Thanks Anna! You were right. Switched the PHP version from the new 7.2 default to the 5.6 older version in DirectAdmin and now the site works again. (Extra Features, Select PHP version, Current PHP version: 5.6)
Getting a HTTP ERROR 500 error in Chrome or a blank white screen on the Firefox browser when trying to access website. This site has worked fine for over 10 years. Guessing this is a result from the great server migration. Could you please help?
Godaddy nameservers are set to: