Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in C:\xampp\htdocs\vendor\mercuryseries\flashy\src\MercurySeries\Flashy\FlashyServiceProvider.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\vendor\mercuryseries\flashy\src\MercurySeries\Flashy\FlashyServiceProvider.php on line 7