Modified exception message

model/Db.php

@@ -37,7 +37,7 @@ class Db
         if (!isset(self::$connections[$name])) {
             if (!$config) {
                 if (gettype(Config::get(__CLASS__)) != 'object') {
-                     throw new InitializationException('config no object');
+                     throw new InitializationException('Trying to get property of non-object');
                 }
                 $config = Config::get(__CLASS__)->$name;
             }