The WP_CACHE constant is used by WordPress to load the code that serves cached pages. Unfortunately, it is set to false. Please edit your wp-config.php and add or edit the following line above the final require_once command:

Current translation: WordPress utiliza a constante WP_CACHE para cargar o código que serve as páxinas almacenadas en caché. Lamentablemente, está establecida a false. Por favor, edita o teu wp-config.php e engade ou edita a seguinte liña enriba do comando final require_once: