A PHP Error was encountered

Severity: Warning

Message: array_key_exists(): The first argument should be either a string or an integer

Filename: core/MY_Lang.php

Line Number: 156

Backtrace:

File: /home/eigm3391/public_html/application/core/MY_Lang.php
Line: 156
Function: array_key_exists

File: /home/eigm3391/public_html/application/core/MY_Lang.php
Line: 55
Function: default_lang

File: /home/eigm3391/public_html/index.php
Line: 297
Function: require_once