# File lib/moneta/builder.rb, line 71
    def check_arity(klass, proxy, expected)
      args = proxy.method(:initialize).arity.abs
      raise(ArgumentError, %{#{klass.name}#new accepts wrong number of arguments (#{args} accepted, #{expected} expected)

Please check your Moneta builder block:
  * Proxies must be used before the adapter
  * Only one adapter is allowed
  * The adapter must be used last
}) if args != expected
    end