I get:
```
>>> UNRECOVERABLE FATAL ERROR <<<
Call to a member function format() on a non-object
/core/lib/phabricator/src/view/phui/calendar/PHUICalendarListView.php:159
┻━┻ ︵ ¯\_(ツ)_/¯ ︵ ┻━┻
```
when visiting https://secure.phabricator.com/calendar/.