Installing plugin mediawiki-vagrant-0.3.3.gem - Installing the 'mediawiki-vagrant-0.3.3.gem --version '0.3.3'' plugin. This can take a few minutes... - Installed the plugin 'mediawiki-vagrant (0.3.3)'! Vagrant failed to initialize at a very early stage: There was an error loading a Vagrantfile. The file being loaded and the error message are shown below. This is usually caused by a syntax error. Path: /home/ayushi/vagrant/Vagrantfile Message: uninitialized constant MediaWikiVagrant::VERSION Failed to execute command `vagrant config --required` (pid 26069 exit 1)