A PHP Error was encountered

Severity: Notice

Message: Only variable references should be returned by reference

Filename: core/Common.php

Line Number: 257

[phpBB Debug] PHP Warning: in file [ROOT]/includes/session.php on line 1056: Cannot modify header information - headers already sent by (output started at /home/type3/type3studios.com/civilization/system/core/Exceptions.php:185)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/session.php on line 1056: Cannot modify header information - headers already sent by (output started at /home/type3/type3studios.com/civilization/system/core/Exceptions.php:185)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/session.php on line 1056: Cannot modify header information - headers already sent by (output started at /home/type3/type3studios.com/civilization/system/core/Exceptions.php:185)
[phpBB Debug] PHP Warning: in file /home/type3/type3studios.com/civilization/system/libraries/Session.php on line 675: Cannot modify header information - headers already sent by (output started at /home/type3/type3studios.com/civilization/system/core/Exceptions.php:185)
[phpBB Debug] PHP Warning: in file /home/type3/type3studios.com/civilization/application/core/Base_Controller.php on line 53: session_start(): Cannot send session cookie - headers already sent by (output started at /home/type3/type3studios.com/civilization/system/core/Exceptions.php:185)
[phpBB Debug] PHP Warning: in file /home/type3/type3studios.com/civilization/application/core/Base_Controller.php on line 53: session_start(): Cannot send session cache limiter - headers already sent (output started at /home/type3/type3studios.com/civilization/system/core/Exceptions.php:185)
[phpBB Debug] PHP Warning: in file /home/type3/type3studios.com/civilization/application/controllers/users.php on line 428: Cannot modify header information - headers already sent by (output started at /home/type3/type3studios.com/civilization/system/core/Exceptions.php:185)