Fatal error: Uncaught Error: Class "Illuminate\Routing\Controller" not found in /var/www/html/repo/school-infix-v6.0/Modules/Lesson/Http/Controllers/AjaxController.php:21 Stack trace: #0 {main} thrown in /var/www/html/repo/school-infix-v6.0/Modules/Lesson/Http/Controllers/AjaxController.php on line 21