Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in /home/hi5ecomm/public_html/vendor/fedeisas/laravel-mail-css-inliner/src/LaravelMailCssInlinerServiceProvider.php:6 Stack trace: #0 {main} thrown in /home/hi5ecomm/public_html/vendor/fedeisas/laravel-mail-css-inliner/src/LaravelMailCssInlinerServiceProvider.php on line 6