Running Phabricator from GIT:
commit 56bd762dd3ed5ced1914c6f36fd58dab589ccb31
I've archived a Project and saw a task from that Project, and clicked on the Project tag, shown under the Tasks' label. The error was shown:
```
>>> UNRECOVERABLE FATAL ERROR <<<
Call to undefined method PhabricatorProjectColumnPositionQuery::withColumns()
/path/to/phabricator/libext/sprint/src/controller/board/SprintBoardViewController.php:181
┻━┻ ︵ ¯\_(ツ)_/¯ ︵ ┻━┻
```
URL:
https://wiki.mibesis.net/tag/<project-name>/
Running on Ubuntu Linux 14.04 LTS x64. Libraries arcanist and libphutil updated to GIT master on 19th July 2016.