Unknown MySQL server host 'mysql5-20' (1)/logiciel-c3-p1.html
  (1024) Can't connect to MySQL server   Database.php   line 68     17-12-17   13:07
FrontController->dispatch() # line   18, file: /home/arfooo/www/index.php
  call_user_func_array(Array[2], Array[3]) # line  211, file: /home/arfooo/www/core/FrontController.php
    MainController->categoryAction("3", "logiciel", "1") # line    0, file: unknown
      Model->findByPk("3") # line  198, file: /home/arfooo/www/controllers/MainController.php
        Model->find(Object:Criteria, "*") # line  122, file: /home/arfooo/www/core/Model.php
          Database->sqlGetRow("SELECT * FROM News_newscategories WHERE categoryId = '3' ") # line   92, file: /home/arfooo/www/core/Model.php
            Database->sqlQuery("SELECT * FROM News_newscategories WHERE categoryId = '3' ") # line  330, file: /home/arfooo/www/core/Database.php
              Database->connect() # line  210, file: /home/arfooo/www/core/Database.php
                trigger_error("<b>Can't connect to MySQL server</b></b>") # line   68, file: /home/arfooo/www/core/Database.php