Page goes blank when I try to add to cart.

[Potlottoodds]

Page goes blank when I add to cart from featured products page or from the product page itself. I am a novice user and know very little and have been trying to fix this myself the past 5 days with no luck. I have reinstalled prestashop, restored it to a privious backup, tried to change shipping settings zones ect with the same result. On the forum for days trying to find a similar issue but nothing is helping. I am litterally at the end of my rope.

 

my shop: http://www.potlottoo...he_Ticket_Cart/

 

My error report says.

[04-Aug-2012 08:24:26 UTC] PHP Warning: constant() [<a href='function.constant'>function.constant</a>]: Couldn't find constant Cart::BOTH_WITHOUT_SHIPPING in /home/pot/public_html/The_Ticket_Cart/tools/smarty/compile/0605a4a82bd1f260d54fb490e9e34a852f4cf19d.file.blockuserinfo.tpl.php on line 41

[04-Aug-2012 08:24:51 UTC] PHP Warning: constant() [<a href='function.constant'>function.constant</a>]: Couldn't find constant Cart::BOTH_WITHOUT_SHIPPING in /home/pot/public_html/The_Ticket_Cart/tools/smarty/compile/0605a4a82bd1f260d54fb490e9e34a852f4cf19d.file.blockuserinfo.tpl.php on line 41

[04-Aug-2012 08:24:51 UTC] PHP Fatal error: Undefined class constant 'ONLY_SHIPPING' in /home/pot/public_html/The_Ticket_Cart/controllers/ParentOrderController.php on line 274

[04-Aug-2012 08:25:09 UTC] PHP Fatal error: Undefined class constant 'ONLY_PRODUCTS' in /home/pot/public_html/The_Ticket_Cart/controllers/CartController.php on line 88

 

0605a4a82bd1f260d54fb490e9e34a852f4cf19d.file.blockuserinfo.tpl.php on line 41

<?php $_smarty_tpl->tpl_vars['blockuser_cart_flag'] = new Smarty_variable(constant('Cart::BOTH_WITHOUT_SHIPPING'), null, null);?>

 

CartController.php on line 88

$orderTotal = self::$cart->getOrderTotal(true, Cart::ONLY_PRODUCTS);