A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: member/controlpanel.php

Line Number: 20

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home2/msgeiger/CodeIgniter_2.1.3/system/core/Exceptions.php:185)

Filename: helpers/url_helper.php

Line Number: 540