Error message bij het runnen van "vagrant up testapp" bij openminds/sneakers

gistfile1.txt

Op een Ubuntu 13.04 systeem met ruby, git, vagrant & virtualbox:
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vuokko@Nemesis:~/sneakers$ vagrant up testapp
/home/vuokko/sneakers/Vagrantfile:20:in `block (3 levels) in <top (required)>': undefined method `configure' for Vagrant:Module (NoMethodError)
	from /usr/lib/ruby/vendor_ruby/vagrant/config/loader.rb:83:in `call'
	from /usr/lib/ruby/vendor_ruby/vagrant/config/loader.rb:83:in `block (2 levels) in load'
	from /usr/lib/ruby/vendor_ruby/vagrant/config/loader.rb:79:in `each'
	from /usr/lib/ruby/vendor_ruby/vagrant/config/loader.rb:79:in `block in load'
	from /usr/lib/ruby/vendor_ruby/vagrant/config/loader.rb:76:in `each'
	from /usr/lib/ruby/vendor_ruby/vagrant/config/loader.rb:76:in `load'
	from /usr/lib/ruby/vendor_ruby/vagrant/environment.rb:387:in `block in load_config!'
	from /usr/lib/ruby/vendor_ruby/vagrant/environment.rb:414:in `[]'
	from /usr/lib/ruby/vendor_ruby/vagrant/environment.rb:414:in `block in load_config!'
	from /usr/lib/ruby/vendor_ruby/vagrant/environment.rb:408:in `map'
	from /usr/lib/ruby/vendor_ruby/vagrant/environment.rb:408:in `load_config!'
	from /usr/lib/ruby/vendor_ruby/vagrant/environment.rb:327:in `load!'
	from /usr/bin/vagrant:40:in `<main>'


----------------------------------------

config.yml inhoud:

----------------------------------------

# test app voor mezelf
testapp:
  app_directory: "/home/vuokko/wordpress/"
  typ: "php54"
  http_port: 8010
  memory: 512

# example app on Linux or OS X
app1:
  app_directory: "/Users/name/Developer/boxersapp1/"
  type: "php53"
  http_port: 8010
  memory: 512