Parse error: syntax error, unexpected '?', expecting variable (T_VARIABLE) in /home/wwwgistaging/yd.staging.gratisites.com/vendor/doctrine/event-manager/lib/Doctrine/Common/EventManager.php on line 31

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/wwwgistaging/yd.staging.gratisites.com/vendor/doctrine/event-manager/lib/Doctrine/Common/EventManager.php:31)

Filename: core/Common.php

Line Number: 564

Backtrace:

A PHP Error was encountered

Severity: Parsing Error

Message: syntax error, unexpected '?', expecting variable (T_VARIABLE)

Filename: Common/EventManager.php

Line Number: 31

Backtrace: