GLPI - Mysql Error

Notice: Undefined index: glpi_use_mode in /homez.420/stach/www/glpi/inc/includes.php on line 90
GLPI - Mysql Error
Notice: Undefined index: glpi_use_mode in /homez.420/stach/www/glpi/inc/display.function.php on line 81

A link to the Mysql server could not be established. Please check your configuration.

Le serveur Mysql est inaccessible. Vérifiez votre configuration