Problem: Receiving the following Fatal Error message when viewing the website front end and Magento Admin

Fatal error: Class 'Unirgy_SimpleUp_Model_Resource_Setup' not found in /home/bikerle1/public_html/includes/src/__default.php on line 8796


Solution: Recompile Magento


The following article explains how to recompile Magento from the Command line. This task should be performed by your Magento Developer or Magento Hosting Company

http://www.activo.com/beware-of-magento-compilation-when-installing-new-extensions/