A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/ademyka/public_html/postal-study-package/application/helpers/mb_ucfirst_helper.php:20)

Filename: core/Common.php

Line Number: 564

Backtrace:

A PHP Error was encountered

Severity: Compile Error

Message: Cannot redeclare mb_strtoupper()

Filename: helpers/mb_ucfirst_helper.php

Line Number: 20

Backtrace: