An uncaught Exception was encountered

Type: RuntimeException

Message: Class Index already exists and doesn't extend CI_Model

Filename: /home/oyoononline.com/public_html/system/core/Loader.php

Line Number: 353

Backtrace:

File: /home/oyoononline.com/public_html/application/third_party/MX/Loader.php
Line: 213
Function: model

File: /home/oyoononline.com/public_html/application/core/MY_Controller.php
Line: 17
Function: model

File: /home/oyoononline.com/public_html/application/controllers/Index.php
Line: 7
Function: __construct

File: /home/oyoononline.com/public_html/index.php
Line: 316
Function: require_once