Fatal error: Uncaught Error: Class "App\Http\Controllers\Controller" not found in /home/digitalproduct/public_html/projectmanagementsoftware/app/Http/Controllers/Client/PaypalController.php:44 Stack trace: #0 {main} thrown in /home/digitalproduct/public_html/projectmanagementsoftware/app/Http/Controllers/Client/PaypalController.php on line 44