Unable to compile css with Aurora compass watch


  
    
      Change detected at 02:13:25 to: style.scss
          error sass/style.scss (Line 20 of sass/partials/global/_base.scss: File to import not found or unreadable: aurora/susy-grid.
      Load paths:
        /Applications/MAMP/htdocs/txmo/sites/all/themes/txmo_aurora/sass
        /Users/davidfells/.rvm/gems/ruby-1.9.3-p362/gems/compass-0.12.2/frameworks/blueprint/stylesheets
        /Users/davidfells/.rvm/gems/ruby-1.9.3-p362/gems/compass-0.12.2/frameworks/compass/stylesheets
        Compass::SpriteImporter)
    
  


Running Ruby 1.9.3, latest versions of all gems freshly installed with JewelryBox. Other users on dev team are able to build this with matching gem versions.
The problem turned out to be that the "aurora" gem cannot be installed alongside compass &amp; compass-aurora for all this to work properly.