A PHP Error was encountered

Severity: Notice

Message: Undefined offset: -1

Filename: helpers/slug_helper.php

Line Number: 173

Backtrace:

File: /home/devl/skb/application/helpers/slug_helper.php
Line: 173
Function: _error_handler

File: /home/devl/skb/application/views/komponen/article_list.php
Line: 12
Function: tgl

File: /home/devl/skb/application/views/beranda/semuaartikel.php
Line: 44
Function: view

File: /home/devl/skb/application/libraries/Template.php
Line: 27
Function: view

File: /home/devl/skb/application/controllers/Artikel.php
Line: 62
Function: load

File: /home/devl/skb/index.php
Line: 325
Function: require_once