Fatal error: Uncaught TypeError: array_merge(): Argument #1 must be of type array, null given in /var/www/vhosts/visados.es/httpdocs/Paises/index.php:113 Stack trace: #0 /var/www/vhosts/visados.es/httpdocs/Paises/index.php(113): array_merge() #1 {main} thrown in /var/www/vhosts/visados.es/httpdocs/Paises/index.php on line 113