Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/protreon/public_html/flex.protreon.com/app/Http/Controllers/Web/PayPalController.php:31 Stack trace: #0 {main} thrown in /home/protreon/public_html/flex.protreon.com/app/Http/Controllers/Web/PayPalController.php on line 31