A PHP Error was encountered

Severity: Warning

Message: mysqli_connect(): (HY000/2002): No route to host

Filename: controllers/Etudiant.php

Line Number: 162

Backtrace:

File: /var/www/html/webuniv/guide/application/controllers/Etudiant.php
Line: 162
Function: mysqli_connect

File: /var/www/html/webuniv/guide/index.php
Line: 315
Function: require_once

Échec de la connexion : No route to host