customers cannot login 1.7.0.2 after patch Updates.receiving the below error:
Fatal error</b>: Call to undefined method Mage_Checkout_Helper_Cart::_getSingletonModel() in <b>/data/www/magento/release-20140930/www/app/code/core/Mage/Checkout/Helper/Cart.php</b> on line <b>62</b><br /> <br /> <b>Fatal error</b>: Class 'Mage' not found in <b>/data/www/magento/release-20140930/www/app/code/core/Mage/Core/functions.php</b> on line <b>244</b><br /> .
