berks read-only file in vagrant chef_solo vendor

/opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:1402:in `initialize': Permission denied @ rb_sysopen - /Users/erik.purins/.berkshelf/vagrant-berkshelf/shelves/berkshelf20160122-78277-bpbruh-cookbookname/cookbookname/.kitchen.yml (Errno::EACCES)
	from /opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:1402:in `open'
	from /opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:1402:in `block in copy_file'
	from /opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:1401:in `open'
	from /opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:1401:in `copy_file'
	from /opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:483:in `copy_file'
	from /opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:400:in `block in cp'
	from /opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:1579:in `block in fu_each_src_dest'
	from /opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:1595:in `fu_each_src_dest0'
	from /opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:1577:in `fu_each_src_dest'
	from /opt/chefdk/embedded/lib/ruby/2.1.0/fileutils.rb:399:in `cp'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/berkshelf-4.0.1/lib/berkshelf/file_syncer.rb:89:in `block in sync'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/berkshelf-4.0.1/lib/berkshelf/file_syncer.rb:71:in `each'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/berkshelf-4.0.1/lib/berkshelf/file_syncer.rb:71:in `sync'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/berkshelf-4.0.1/lib/berkshelf/berksfile.rb:624:in `block in vendor'
	from /opt/chefdk/embedded/lib/ruby/2.1.0/tmpdir.rb:88:in `mktmpdir'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/berkshelf-4.0.1/lib/berkshelf/berksfile.rb:581:in `vendor'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/berkshelf-4.0.1/lib/berkshelf/cli.rb:387:in `vendor'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/thor-0.19.1/lib/thor/command.rb:27:in `run'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/thor-0.19.1/lib/thor/invocation.rb:126:in `invoke_command'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/thor-0.19.1/lib/thor.rb:359:in `dispatch'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/berkshelf-4.0.1/lib/berkshelf/cli.rb:52:in `dispatch'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/thor-0.19.1/lib/thor/base.rb:440:in `start'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/berkshelf-4.0.1/lib/berkshelf/cli.rb:27:in `execute!'
	from /opt/chefdk/embedded/lib/ruby/gems/2.1.0/gems/berkshelf-4.0.1/bin/berks:5:in `<top (required)>'
	from /usr/local/bin/berks:42:in `load'
	from /usr/local/bin/berks:42:in `<main>'


It appears that you are not using the ChefDK. Please note that Vagrant Berkshelf
works best when used with the ChefDK, and other installation methods are not
officially supported.

Please download and install the latest version of the ChefDK from:

    https://downloads.chef.io/chef-dk

and follow the installation instructions. Do not forget to add the ChefDK to
your PATH.