Fatal error: Uncaught Error: Class 'Illuminate\Support\Collection' not found in C:\xampp\htdocs\enercard\vendor\gloudemans\shoppingcart\src\CartItemOptions.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\enercard\vendor\gloudemans\shoppingcart\src\CartItemOptions.php on line 7