if i update my shopping cart ( changing quality or delete an article) i get this error:
Warning: Illegal offset type in ......./includes/classes/shopping_cart.php on line 203
Fatal error: Unsupported operand types in .......//includes/application_top.php on line 378
can you help me ?
shopping_cart.php on line 203:
if (isset($this->contents[$products_id])) {
application_top.php on line 378:
$cart->add_cart($HTTP_POST_VARS['products_id'], $cart->get_quantity(tep_get_uprid($HTTP_POST_VARS['products_id'], $HTTP_POST_VARS['id'])) + $HTTP_POST_VARS['cart_quantity'], $HTTP_POST_VARS['id']);
New 
