PDOException Object
(
    [message:protected] => SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
    [string:Exception:private] => 
    [code:protected] => 2002
    [file:protected] => /home/poiskshi/public_html/libs/DB.php
    [line:protected] => 39
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /home/poiskshi/public_html/libs/DB.php
                    [line] => 39
                    [function] => __construct
                    [class] => PDO
                    [type] => ->
                    [args] => Array
                        (
                            [0] => mysql:host=localhost;dbname=poiskshi_db
                            [1] => poiskshi_db
                            [2] => nR46CJCyJXZJ
                            [3] => Array
                                (
                                    [19] => 2
                                )

                        )

                )

            [1] => Array
                (
                    [file] => /home/poiskshi/public_html/libs/DB.php
                    [line] => 15
                    [function] => open
                    [class] => DB
                    [type] => ->
                    [args] => Array
                        (
                            [0] => localhost
                            [1] => poiskshi_db
                            [2] => nR46CJCyJXZJ
                            [3] => poiskshi_db
                        )

                )

            [2] => Array
                (
                    [file] => /home/poiskshi/public_html/libs/DB.php
                    [line] => 21
                    [function] => __construct
                    [class] => DB
                    [type] => ->
                    [args] => Array
                        (
                            [0] => localhost
                            [1] => poiskshi_db
                            [2] => nR46CJCyJXZJ
                            [3] => poiskshi_db
                        )

                )

            [3] => Array
                (
                    [file] => /home/poiskshi/public_html/libs/Environment.php
                    [line] => 133
                    [function] => getDB
                    [class] => DB
                    [type] => ::
                    [args] => Array
                        (
                            [0] => localhost
                            [1] => poiskshi_db
                            [2] => nR46CJCyJXZJ
                            [3] => poiskshi_db
                            [4] => local
                        )

                )

            [4] => Array
                (
                    [file] => /home/poiskshi/public_html/libs/Environment.php
                    [line] => 106
                    [function] => getDB
                    [class] => Environment
                    [type] => ::
                    [args] => Array
                        (
                        )

                )

            [5] => Array
                (
                    [file] => /home/poiskshi/public_html/libs/Builder.php
                    [line] => 24
                    [function] => getParseUrl
                    [class] => Environment
                    [type] => ::
                    [args] => Array
                        (
                        )

                )

            [6] => Array
                (
                    [file] => /home/poiskshi/public_html/libs/Builder.php
                    [line] => 16
                    [function] => _parseUrl
                    [class] => Builder
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [7] => Array
                (
                    [file] => /home/poiskshi/public_html/index.php
                    [line] => 17
                    [function] => createStructure
                    [class] => Builder
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

        )

    [previous:Exception:private] => 
    [errorInfo] => 
)

Fatal error: Call to a member function query() on null in /home/poiskshi/public_html/libs/DB.php on line 108