Framework: Fatal error

dataBase::connect(): Cannot connect to the database. Database report: 2005: Unknown MySQL server host '2189.mysql.win.pl' (1)

Track:
#0 /home/nickesh/private/nickesh.pl/core/classes/dataBase.php(110): msg->throwException('dataBase::conne...')
#1 /home/nickesh/private/nickesh.pl/core/classes/dataBase.php(144): dataBase->connect()
#2 /home/nickesh/private/nickesh.pl/core/classes/model.php(489): dataBase->query('????????SELECT?...', 4)
#3 /home/nickesh/private/nickesh.pl/app/models/projectCategory.php(72): model->fillBySql('????????SELECT?...', Array)
#4 /home/nickesh/private/nickesh.pl/app/controllers/portfolioController.php(26): projectCategory->fillCategoriesBranch('__', false, false)
#5 /home/nickesh/private/nickesh.pl/app/controllers/portfolioController.php(51): portfolioController->getSubBubblesHtml()
#6 /home/nickesh/private/nickesh.pl/core/classes/controller.php(111): portfolioController->index()
#7 /home/nickesh/www/index.php(20): controller->executeAction()
#8 {main}
File: /home/nickesh/private/nickesh.pl/core/classes/msg.php
Line: 223