Fatal error: Uncaught Error: Class "Illuminate\Support\Collection" not found in C:\xampp\htdocs\shopLogic\vendor\rap2hpoutre\fast-excel\src\SheetCollection.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\shopLogic\vendor\rap2hpoutre\fast-excel\src\SheetCollection.php on line 7