Zend FR

Bonjour,

Novice en PHP, j'essaie de visualiser mon site sur Xamplite, et voici le message d'erreur.
Merci par avance de m'aider, en langage simple !!

Fatal error: Uncaught exception 'Zend_Db_Adapter_Exception' with message 'SQLSTATE[HY000] [2005] Unknown MySQL server host 'sql4' (11001)' in D:\xampplite\htdocs\nvxSite\Zend\Db\Adapter\Pdo\Abstract.php:89 Stack trace: #0 D:\xampplite\htdocs\nvxSite\Zend\Db\Adapter\Abstract.php(263): Zend_Db_Adapter_Pdo_Abstract->_connect() #1 D:\xampplite\htdocs\nvxSite\Zend\Db\Adapter\Pdo\Abstract.php(164): Zend_Db_Adapter_Abstract->query(Object(Zend_Db_Select), Array) #2 D:\xampplite\htdocs\nvxSite\Zend\Db\Select.php(828): Zend_Db_Adapter_Pdo_Abstract->query(Object(Zend_Db_Select)) #3 D:\xampplite\htdocs\nvxSite\includes\class.sites.php(20): Zend_Db_Select->query() #4 D:\xampplite\htdocs\nvxSite\includes\class.pages.php(16): Sites->getLangueParDefaut() #5 D:\xampplite\htdocs\nvxSite\includes\class.publicPages.php(17): Pages->__construct(Object(Zend_Db_Adapter_Pdo_Mysql), '14') #6 D:\xampplite\htdocs\nvxSite\FrontOffice\index.php(9): PublicPages->__construct(Object(Zend_Db_Adapter_Pdo_Mysql), '14', '1', '/home/atelierd/...') #7 {main} in D:\xampplite\htdocs\nvxSite\Zend\Db\Adapter\Pdo\Abstract.php on line 89