IIRC there's a vagrant-berkshelf issue on GitHub for this error. You may need to blow away your ~/.vagrant.d folder and reinstall. It seems you have some bad state/gems installed.
On Wednesday, June 4, 2014 5:41:34 PM UTC-7, Jerrod wrote: > > Installed vagrant-bekrshelf 2.0.1 Now getting this.. > > Vagrant failed to initialize at a very early stage: > > The plugins failed to load properly. The error message given is > > shown below. > > uninitialized constant Chef::Provider::Package::Apt > -- You received this message because you are subscribed to the Google Groups "Vagrant" group. To unsubscribe from this group and stop receiving emails from it, send an email to vagrant-up+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.