ROM "undefined method 'base_name' for #<..." issue

undefined_base_name.rb

require 'rom'
require 'rom-repository'
require 'byebug'

config = ROM::Configuration.new(:memory)

class Accounts < ROM::Relation[:memory]
  register_as :accounts
end

class Create < ROM::Commands::Create[:memory]
  register_as :create
  relation :accounts
  result :one

  def execute(tuple)
    byebug
  end
end

class AccountRepo < ROM::Repository[:accounts]
  commands :create
end

config.register_relation(Accounts)
container = ROM.container(config)

repo = AccountRepo.new(container)
repo.create({})

<<-OUTPUT
 (refactor/repository_pattern) referral-campaign/links$ bundle exec ruby test.rb
/Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-3.0.3/lib/rom/plugins/relation/registry_reader.rb:31:in `block in method_missing': undefined method `base_name' for #<Accounts dataset=#<ROM::Memory::Dataset data=[]>> (NoMethodError)
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-3.0.3/lib/rom/registry.rb:33:in `block in fetch'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-3.0.3/lib/rom/registry.rb:32:in `fetch'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-3.0.3/lib/rom/registry.rb:32:in `fetch'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-3.0.3/lib/rom/plugins/relation/registry_reader.rb:31:in `method_missing'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-repository-1.1.0/lib/rom/repository/relation_proxy.rb:247:in `base_name'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-repository-1.1.0/lib/rom/repository/relation_proxy.rb:208:in `to_ast'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-repository-1.1.0/lib/rom/repository.rb:331:in `compile_command'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-repository-1.1.0/lib/rom/repository.rb:175:in `block in command'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/concurrent-ruby-1.0.4/lib/concurrent/map.rb:133:in `block in fetch_or_store'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/concurrent-ruby-1.0.4/lib/concurrent/map.rb:122:in `fetch'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/concurrent-ruby-1.0.4/lib/concurrent/map.rb:132:in `fetch_or_store'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-repository-1.1.0/lib/rom/repository.rb:174:in `command'
	from /Users/jasperlyons/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rom-repository-1.1.0/lib/rom/repository/class_interface.rb:120:in `block in define_command_method'
	from test.rb:29:in `<main>'
OUPUT