Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in /home/iunowfun/public_html/Webpanel2.3/vendor/spatie/laravel-package-tools/src/PackageServiceProvider.php:12 Stack trace: #0 {main} thrown in /home/iunowfun/public_html/Webpanel2.3/vendor/spatie/laravel-package-tools/src/PackageServiceProvider.php on line 12