Fatal error: Uncaught Error: Class "Core\App" not found in /var/www/html/DAS_25_26/dwese-WalkingPan/Tema_3/18_CRUD3/start.php:4 Stack trace: #0 {main} thrown in /var/www/html/DAS_25_26/dwese-WalkingPan/Tema_3/18_CRUD3/start.php on line 4