We are sorry that you are experiencing problems and will do our best to resolve them ASAP.
The warning shows that a required file cannot be found. Maybe some special permissions are in effect on your website that caused some files to not be copied during installation.
Can you tell me whether the file "/var/www/vhosts/phillipswebster.com/httpdocs/administrator/components/com_es_joomla_common/helper.php" exist?
Also, did you try the evaluation of the product? If yes, did it work?
Enless Soft Support Team