A PHP Error was encountered

Severity: Warning

Message: array_key_exists() expects parameter 2 to be array, null given

Filename: controllers/Back.php

Line Number: 71

Backtrace:

File: /var/www/users/aquanis/public/services/application/controllers/Back.php
Line: 71
Function: array_key_exists

File: /var/www/users/aquanis/public/services/index.php
Line: 317
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /var/www/users/aquanis/public/services/system/core/Exceptions.php:271)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /var/www/users/aquanis/public/services/application/controllers/Back.php
Line: 81
Function: redirect

File: /var/www/users/aquanis/public/services/index.php
Line: 317
Function: require_once