Warning: include_once(Mage/Core/functions.php): failed to open stream: No such file or directory in /Applications/XAMPP/xamppfiles/htdocs/app/Mage.php on line 50

Warning: include_once(): Failed opening 'Mage/Core/functions.php' for inclusion (include_path='/Applications/XAMPP/xamppfiles/htdocs/app/code/local:/Applications/XAMPP/xamppfiles/htdocs/app/code/community:/Applications/XAMPP/xamppfiles/htdocs/app/code/core:/Applications/XAMPP/xamppfiles/htdocs/lib:.:/Applications/XAMPP/xamppfiles/lib/php') in /Applications/XAMPP/xamppfiles/htdocs/app/Mage.php on line 50

Warning: include_once(Varien/Autoload.php): failed to open stream: No such file or directory in /Applications/XAMPP/xamppfiles/htdocs/app/Mage.php on line 51

Warning: include_once(): Failed opening 'Varien/Autoload.php' for inclusion (include_path='/Applications/XAMPP/xamppfiles/htdocs/app/code/local:/Applications/XAMPP/xamppfiles/htdocs/app/code/community:/Applications/XAMPP/xamppfiles/htdocs/app/code/core:/Applications/XAMPP/xamppfiles/htdocs/lib:.:/Applications/XAMPP/xamppfiles/lib/php') in /Applications/XAMPP/xamppfiles/htdocs/app/Mage.php on line 51

Fatal error: Class 'Varien_Autoload' not found in /Applications/XAMPP/xamppfiles/htdocs/app/Mage.php on line 54