A PHP Error was encountered

Severity: Warning

Message: fopen(/var/lib/php/sessions/ci_sessiongq3flfc3grmf779lrb72d6ntoqtf1aot): failed to open stream: No space left on device

Filename: drivers/Session_files_driver.php

Line Number: 174

Backtrace:

File: /var/www/html/application/controllers/sitecontrol/Quiz.php
Line: 23
Function: __construct

File: /var/www/html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Failed to read session data: user (path: /var/lib/php/sessions)

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /var/www/html/application/controllers/sitecontrol/Quiz.php
Line: 23
Function: __construct

File: /var/www/html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

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