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一直在学习hanami，遇到了如下问题：初始化检查参数时，遇到如下错误

Boot Error
Something went wrong while loading /Users/anewaccount/Projects/Mediateka/config.ru

NoMethodError: undefined method `size' for nil:NilClass
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/dry-validation-0.11.0/lib/dry/validation/schema/deprecated.rb:11:in `input_processor'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/dry-validation-0.11.0/lib/dry/validation/schema/class_interface.rb:165:in `default_options'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/dry-validation-0.11.0/lib/dry/validation/schema/class_interface.rb:35:in `new'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/hanami-validations-1.3.7/lib/hanami/validations.rb:109:in `validations'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/hanami-controller-1.3.3/lib/hanami/action/params.rb:152:in `params'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/hanami-controller-1.3.3/lib/hanami/action/validatable.rb:100:in `block in params'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/hanami-controller-1.3.3/lib/hanami/action/validatable.rb:100:in `class_eval'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/hanami-controller-1.3.3/lib/hanami/action/validatable.rb:100:in `params'
/Users/anewaccount/Projects/Mediateka/apps/web/controllers/auth/sign_up.rb:11:in `<class:SignUp>'
/Users/anewaccount/Projects/Mediateka/apps/web/controllers/auth/sign_up.rb:9:in `<module:Auth>'
/Users/anewaccount/Projects/Mediateka/apps/web/controllers/auth/sign_up.rb:8:in `<module:Controllers>'
/Users/anewaccount/Projects/Mediateka/apps/web/controllers/auth/sign_up.rb:7:in `<module:Web>'
/Users/anewaccount/Projects/Mediateka/apps/web/controllers/auth/sign_up.rb:6:in `<top (required)>'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/hanami-utils-1.3.8/lib/hanami/utils.rb:56:in `require_relative'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/hanami-utils-1.3.8/lib/hanami/utils.rb:56:in `block in require!'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/hanami-utils-1.3.8/lib/hanami/utils.rb:94:in `each'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/hanami-utils-1.3.8/lib/hanami/utils.rb:94:in `for_each_file_in'
/Users/anewaccount/.rvm/gems/ruby-2.7.2/gems/hanami-utils-1.3.8/lib/hanami/utils.rb:56:in `require!'

我的行动：

# frozen_string_literal: true

require 'pry-byebug'
require_relative 'auth_base_action'

module Web
  module Controllers
    module Auth
      class SignUp < AuthBaseAction

        params do
          required(:user).schema do
            required(:first_name).filled(:str?)
            required(:last_name).filled(:str?)
            required(:email).filled(:str?, format?: /@/)
            required(:password).filled(:str?).confirmation
          end
        end

        def call params
          binding.pry
        end
      end
    end
  end
end

我根据官方文档中关于它应该工作的想法的示例编写了 params 块，但我发现 NoMethodError: undefined method `size 'for nil: NilClass 我还在官方文档中看到这些验证是从 Hanami 委托的： : 验证，我根据他们的官方文档安装了gem'hanami-validation'，但是我遇到了同样的错误，然后我开始查看其他人的代码，他们使用官方文档中的示例成功。请告诉我错误是什么，或者请解释我做错了什么？我已经很迷茫了

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