Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /var/www/vhosts/rebellion.es/domains/pfgshop.es/public_html/ops/presentar_resultados.php:16 Stack trace: #0 /var/www/vhosts/rebellion.es/domains/pfgshop.es/public_html/mostrar_categoria.php(82): presentarResultados() #1 {main} thrown in /var/www/vhosts/rebellion.es/domains/pfgshop.es/public_html/ops/presentar_resultados.php on line 16