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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/CRUD1_MVC/app/views/index.php:21 Stack trace: #0 {main} thrown in /var/www/html/clases24_25/Tema_3/CRUDs/CRUD1_MVC/app/views/index.php on line 21