message d'erreur: pdo construct, DbPDO.php et Db.php

[nchristian03]

Bonsoir à tous,

Je récois ce message, est ce quelqu'un peu me dire ce que je suis sensé faire. J'utilise wampServer 2.2 et prestashop 1.5.4.1

 

- Notice: Use of undefined constant _DB_SERVER_ - assumed '_DB_SERVER_' in C:\wamp\www\afrikart\classes\db\Db.php on line 183

- Notice: Use of undefined constant _DB_USER_ - assumed '_DB_USER_' in C:\wamp\www\afrikart\classes\db\Db.php on line 183

- Notice: Use of undefined constant _DB_PASSWD_ - assumed '_DB_PASSWD_' in C:\wamp\www\afrikart\classes\db\Db.php on line 183

- Notice: Use of undefined constant _DB_NAME_ - assumed '_DB_NAME_' in C:\wamp\www\afrikart\classes\db\Db.php on line 183

- Warning: PDO::__construct() [pdo.--construct]: php_network_getaddresses: getaddrinfo failed: Hote inconnu. in C:\wamp\www\afrikart\classes\db\DbPDO.php on line 46

- Warning: PDO::__construct() [pdo.--construct]: [2002] php_network_getaddresses: getaddrinfo failed: Hote inconnu. (trying to connect via tcp://_DB_SERVER_:3306) in C:\wamp\www\afrikart\classes\db\DbPDO.php on line 46

 

merci et cordialement