A PHP Error was encountered

Severity: Warning

Message: Attempt to read property "id" on array

Filename: frontend/ScientificSessions.php

Line Number: 89

Backtrace:

File: /home/miconferences/public_html/addiction.miconferences.com/application/controllers/frontend/ScientificSessions.php
Line: 89
Function: _error_handler

File: /home/miconferences/public_html/addiction.miconferences.com/application/controllers/frontend/ScientificSessions.php
Line: 48
Function: index

File: /home/miconferences/public_html/addiction.miconferences.com/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/miconferences/public_html/addiction.miconferences.com/system/core/Exceptions.php:272)

Filename: core/Common.php

Line Number: 565

Backtrace:

File: /home/miconferences/public_html/addiction.miconferences.com/application/core/MY_Exceptions.php
Line: 15
Function: set_status_header

File: /home/miconferences/public_html/addiction.miconferences.com/application/controllers/frontend/ScientificSessions.php
Line: 111
Function: show_404

File: /home/miconferences/public_html/addiction.miconferences.com/application/controllers/frontend/ScientificSessions.php
Line: 48
Function: index

File: /home/miconferences/public_html/addiction.miconferences.com/index.php
Line: 315
Function: require_once