Résolution de problème wordpress

Nous avons ces messages d'erreur que nous aimerions bien résoudre :

Warning! WP Super Cache caching was broken but has been fixed! The script advanced-cache.php could not load wp-cache-phase1.php.

The file wp-content/advanced-cache.php has been recreated and WPCACHEHOME fixed in your wp-config.php. Reload to hide this message.

Attention! Could not update file/web/wp-config.php! WPCACHEHOME must be set in config file.