Supermarket package singing issue

Vagrantfile

Vagrant.configure(2) do |config|

  config.vm.box = "chef/centos-6.5"

  config.vm.define "server" do |s|
    s.vm.network "private_network", ip: "10.10.10.10"

    s.vm.provider "virtualbox" do |vb|
      vb.cpus = 2
      vb.memory = "2048"
    end

    s.vm.provision "chef_solo" do |chef|
      chef.add_recipe "chef-server::default"
      chef.add_recipe "chef-server::addons"

      chef.json = {
        "chef-server" => {
          "addons" => ["manage", "reporting"]
        }
      }
    end
  end

  config.vm.define "supermarket" do |m|
    m.vm.network "private_network", ip: "10.10.10.20"

    m.vm.provision "chef_solo" do |chef|
      chef.add_recipe "chef-server::addons"

      chef.json = {
        "chef-server" => {
          "addons" => ["supermarket"]
        }
      }
    end

  end

end