Fatal error: Uncaught exception 'ErrorException' with message 'session_write_close(): write failed: No space left on device (28)' in /var/www/mrrb_2016/source/vendor/zendframework/zendframework/library/Zend/Session/SessionManager.php:204 Stack trace: #0 [internal function]: Gen\Listeners\ErrorsHandler->Gen\Listeners\{closure}(2, 'session_write_c...', '/var/www/mrrb_2...', 204, Array) #1 /var/www/mrrb_2016/source/vendor/zendframework/zendframework/library/Zend/Session/SessionManager.php(204): session_write_close() #2 [internal function]: Zend\Session\SessionManager->writeClose() #3 {main} thrown in /var/www/mrrb_2016/source/vendor/zendframework/zendframework/library/Zend/Session/SessionManager.php on line 204