Severity: Warning
Message: hex2bin(): Input string must be hexadecimal string
Filename: helpers/common_helper.php
Line Number: 71
Backtrace:
File: /var/www/html/application/helpers/common_helper.php
Line: 71
Function: hex2bin
File: /var/www/html/application/controllers/sitecontrol/Quiz.php
Line: 160
Function: simple_decrypt
File: /var/www/html/index.php
Line: 315
Function: require_once