config/environments/development.rb:30:in `<top (required)>': undefined local variable or method `config' for main:Object (NameError)答案

【问题标题】：config/environments/development.rb:30:in `<top (required)>': undefined local variable or method `config' for main:Object (NameError)config/environments/development.rb:30:in `<top (required)>': undefined local variable or method `config' for main:Object (NameError)
【发布时间】：2017-12-05 01:28:11
【问题描述】：

我正在尝试使用 Ruby on Rails 安装 active_admin。每次我输入：

rails g active_admin:install

我收到如下错误消息：

用户/audreyjoanne/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.4/lib/active_support/inflector/methods.rb:268:in 'const_get'：未初始化的常量 AdminUser (NameError) 来自 /Users/audreyjoanne/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.4/lib/active_support/inflector/methods.rb:268:in 'block in constantize' 来自 /Users/audreyjoanne/.rbenv/versions/2.4.0/lib/ruby/gems/2.4.0/gems/activesupport-5.0.4/lib/active_support/inflector/methods.rb:266:in '每个'

我该如何解决这个问题？

【问题讨论】：

标签： ruby-on-rails ruby macos

【解决方案1】：

您需要照顾 Active Admin gem 的依赖关系。
需要先创建 AdminUser 模型。

【讨论】：