Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home/poliklin/public_html/clinisys/app/Http/Controllers/TreatmentCategoryController.php:13 Stack trace: #0 {main} thrown in /home/poliklin/public_html/clinisys/app/Http/Controllers/TreatmentCategoryController.php on line 13