A PHP Error was encountered

Severity: Warning

Message: session_start(): Cannot send session cookie - headers already sent by (output started at /var/www/PHP7.0/Master/Noii_QA/application/controllers/Slideshow.php:1)

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /var/www/PHP7.0/Master/Noii_QA/application/controllers/Slideshow.php
Line: 8
Function: __construct

File: /var/www/PHP7.0/Master/Noii_QA/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Cannot send session cache limiter - headers already sent (output started at /var/www/PHP7.0/Master/Noii_QA/application/controllers/Slideshow.php:1)

Filename: Session/Session.php

Line Number: 143

Backtrace:

File: /var/www/PHP7.0/Master/Noii_QA/application/controllers/Slideshow.php
Line: 8
Function: __construct

File: /var/www/PHP7.0/Master/Noii_QA/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 /var/www/PHP7.0/Master/Noii_QA/application/controllers/Slideshow.php:1)

Filename: helpers/url_helper.php

Line Number: 564

Backtrace:

File: /var/www/PHP7.0/Master/Noii_QA/application/models/M_main.php
Line: 15
Function: redirect

File: /var/www/PHP7.0/Master/Noii_QA/application/controllers/Slideshow.php
Line: 9
Function: cek_session

File: /var/www/PHP7.0/Master/Noii_QA/index.php
Line: 315
Function: require_once