Warning: include_once(Mage/Core/functions.php): failed to open stream: No such file or directory in /home/samulime/demo/magento/app/Mage.php on line 49

Warning: include_once(): Failed opening 'Mage/Core/functions.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php:/home/samulime/php') in /home/samulime/demo/magento/app/Mage.php on line 49

Warning: include_once(Varien/Autoload.php): failed to open stream: No such file or directory in /home/samulime/demo/magento/app/Mage.php on line 50

Warning: include_once(): Failed opening 'Varien/Autoload.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php:/home/samulime/php') in /home/samulime/demo/magento/app/Mage.php on line 50

Fatal error: Class 'Varien_Autoload' not found in /home/samulime/demo/magento/app/Mage.php on line 53