Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/html/clases24_25/Tema_3/CRUDs/CRUD2_MVC_Api/app/views/customer/index.php:21 Stack trace: #0 /var/www/html/clases24_25/Tema_3/CRUDs/CRUD2_MVC_Api/app/controller/CustomerController.php(22): require() #1 /var/www/html/clases24_25/Tema_3/CRUDs/CRUD2_MVC_Api/core/App.php(43): App\Controller\CustomerController->index() #2 /var/www/html/clases24_25/Tema_3/CRUDs/CRUD2_MVC_Api/start.php(5): Core\App->__construct() #3 /var/www/html/clases24_25/Tema_3/CRUDs/CRUD2_MVC_Api/vendor/composer/autoload_real.php(53): require('...') #4 /var/www/html/clases24_25/Tema_3/CRUDs/CRUD2_MVC_Api/vendor/composer/autoload_real.php(36): composerRequire97e6921c8bf2aaaecabd4c0edb9ee837() #5 /var/www/html/clases24_25/Tema_3/CRUDs/CRUD2_MVC_Api/vendor/autoload.php(25): ComposerAutoloaderInit97e6921c8bf2aaaecabd4c0edb9ee837::getLoader() #6 {main} thrown in /var/www/html/clases24_25/Tema_3/CRUDs/CRUD2_MVC_Api/app/views/customer/index.php on line 21