A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: widget/slider_view.php

Line Number: 89

Backtrace:

File: /home/nguonhangcongnghiep.vn/public_html/application/views/home/widget/slider_view.php
Line: 89
Function: _error_handler

File: /home/nguonhangcongnghiep.vn/public_html/application/controllers/Home.php
Line: 51
Function: view

File: /home/nguonhangcongnghiep.vn/public_html/index.php
Line: 292
Function: require_once