Мелкие ошибки из анализатора.

classes/Battles/Database/DBPDO.php

@@ -12,7 +12,6 @@ class DBPDO
 {
 
     public $pdo;
-    private $error;
     private static $_instance = null;
 
     function __construct()
@@ -46,8 +45,7 @@ class DBPDO
                 $this->pdo = new PDO($dsn, $user, $password, array(PDO::ATTR_PERSISTENT => true));
                 return true;
             } catch (PDOException $e) {
-                $this->error = $e->getMessage();
-                die($this->error);
+                die($e->getMessage());
             }
         } else {
             $this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);