Fatal error: Uncaught Error: Undefined constant "SERVIDOR" in /var/www/vhosts/order-erp.es/httpdocs/includes/rutas.php:31 Stack trace: #0 /var/www/vhosts/order-erp.es/httpdocs/includes/header.php(2): require_once() #1 /var/www/vhosts/order-erp.es/httpdocs/index.php(2): require_once('...') #2 {main} thrown in /var/www/vhosts/order-erp.es/httpdocs/includes/rutas.php on line 31