A PHP Error was encountered

Severity: Notice

Message: Use of undefined constant FB_APP_ID - assumed 'FB_APP_ID'

Filename: libraries/FacebookSDK.php

Line Number: 15

Backtrace:

File: /home/ipport/public_html/application/libraries/FacebookSDK.php
Line: 15
Function: _error_handler

File: /home/ipport/public_html/application/controllers/Forum.php
Line: 9
Function: library

File: /home/ipport/public_html/index.php
Line: 317
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Use of undefined constant FB_APP_SECRET - assumed 'FB_APP_SECRET'

Filename: libraries/FacebookSDK.php

Line Number: 16

Backtrace:

File: /home/ipport/public_html/application/libraries/FacebookSDK.php
Line: 16
Function: _error_handler

File: /home/ipport/public_html/application/controllers/Forum.php
Line: 9
Function: library

File: /home/ipport/public_html/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 /home/ipport/public_html/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /home/ipport/public_html/application/hooks/ssl.php
Line: 13
Function: redirect

File: /home/ipport/public_html/index.php
Line: 317
Function: require_once