A PHP Error was encountered

Severity: Notice

Message: Only variable references should be returned by reference

Filename: core/Common.php

Line Number: 272

Backtrace:

File: /home/nelaonli/public_html/index.php
Line: 291
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/nelaonli/public_html/system/codeigniter/core/Exceptions.php:183)

Filename: core/Common.php

Line Number: 489

Backtrace:

File: /home/nelaonli/public_html/index.php
Line: 291
Function: require_once