Installation failing on Ubuntu 12.04 & 13.04

[msmollin]

Have tried installing Squash 4 different times now, 3 times on 12.04 LTS (our server platform) and once on 13.04 in a local VM, both clean installs, and upgraded to the latest packages from apt. The only things installed on them are the dependencies for squash. Postgres 9.1 is in use, as is only Ruby 1.9.3 - no 1.8 anywhere.

It appears the safe_yaml gem being installed with bundler isn't finding a path when trying to migrate the development db in rake db:migrate command. Here's a screenshot of the failure.

On both systems I did have to install the bundler gem as root to get gem to install it properly.

Thoughts?

[Edit] - the 1.9.1 path is apparently normal for Ubuntu's version of ruby 1.9.3 - and I can find the .rb file containing the noted class in the path, so I'm unsure why the gem / ruby can't find it.