Errores en head

Instale el software y todo bien pero al abrirlo me aparecen estos errores:

A PHP Error was encountered
Severity: 8192

Message: The each() function is deprecated. This message will be suppressed on further calls

Filename: MX/Modules.php

Line Number: 81


File: C:\xampp\htdocs\ip\application\third_party\MX\Modules.php
Line: 81
Function: each

File: C:\xampp\htdocs\ip\application\third_party\MX\Loader.php
Line: 269
Function: load

File: C:\xampp\htdocs\ip\application\core\Base_Controller.php
Line: 72
Function: module

File: C:\xampp\htdocs\ip\application\core\User_Controller.php
Line: 25
Function: __construct

File: C:\xampp\htdocs\ip\application\core\Admin_Controller.php
Line: 20
Function: __construct

File: C:\xampp\htdocs\ip\application\modules\payments\controllers\Payments.php
Line: 23
Function: __construct

File: C:\xampp\htdocs\ip\index.php
Line: 327
Function: require_once