Fatal error: require_once(): Failed opening required 'app/Mage.php' (include_path='/home/quercuslivingco/public_html/app/code/local:/home/quercuslivingco/public_html/app/code/community:/home/quercuslivingco/public_html/app/code/core:/home/quercuslivingco/public_html/lib:.:/opt/cpanel/ea-php56/root/usr/share/pear') in /home/quercuslivingco/public_html/development/sage/sg_importedcustomers.php on line 7