Warning: mysqli_connect(): (HY000/2002): Connection refused in /sites/elvakt/www/web_main/fonctions/connexion.php on line 6

Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in /sites/elvakt/www/web_main/fonctions/requete.php on line 20

Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in /sites/elvakt/www/web_main/fonctions/requete.php on line 22
Erreur dans l'exĂ©cution de la requête SELECT DISTINCT id_colloque, coll.titre, date_debut, date_fin, lieu FROM elvakt_v2_conferences INNER JOIN elvakt_colloques AS coll ON ref_colloque = id_colloque;.
Warning: mysqli_error() expects parameter 1 to be mysqli, boolean given in /sites/elvakt/www/web_main/fonctions/requete.php on line 31
Message d'erreur de MySQL :