Fatal error: Uncaught Error: Class "Spatie\LaravelPackageTools\PackageServiceProvider" not found in /home/website/public_html/0257/tropitel_website/vendor/spatie/laravel-newsletter/src/NewsletterServiceProvider.php:11 Stack trace: #0 {main} thrown in /home/website/public_html/0257/tropitel_website/vendor/spatie/laravel-newsletter/src/NewsletterServiceProvider.php on line 11