Phabricator HEAD: 871c06ab4ee4008948770c8e6a3300331fc80cb2
```Unhandled Exception ("RuntimeException")
Argument 2 passed to PhabricatorPolicyFilter::hasCapability() must implement interface PhabricatorPolicyInterface, null given, called in /var/www/phab/phabricator/src/applications/conpherence/controller/ConpherenceColumnViewController.php on line 91 and defined
```