replace Exception on GeneralException

model/MySQLiDriver.php

@@ -80,7 +80,7 @@ class MySQLiDriver extends DbDriver
                                           $port);
         // Connection errors check
         if (mysqli_connect_error()) {
-            throw new Exception(mysqli_connect_error(), mysqli_connect_errno());
+            throw new GeneralException(mysqli_connect_error(), mysqli_connect_errno());
         }
         
         $charset = (!empty($this->config['charset'])) ? $this->config['charset'] : 'utf8';