Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home/poliklin/public_html/clinisys/app/Http/Controllers/RevenueVsDoctorController.php:12 Stack trace: #0 {main} thrown in /home/poliklin/public_html/clinisys/app/Http/Controllers/RevenueVsDoctorController.php on line 12