PHP Fatal error: Call to a member function getType() on a non-objec

[andrewjs18]

Euan.

I'm seeing the following errors in my nginx logs:
2016/01/28 17:04:24 [error] 32418#0: *116335 FastCGI sent in stderr: "PHP message: PHP Fatal error: Call to a member function getType() on a non-object in /hom e/public_html/alerts.php on line 55" while reading response header from upstream, client: 1.1.1.1, server: mysite.com, request: "GET /alerts.php?action=view&id=1111 HTTP/1.1", upstream: "fastcgi://unix:/var/run/php5-fpm.sock:", host: "mysite.com", referrer: "http://mysite.com/alerts.php?action=view&id=65666"

mybb 1.8.6