Unable to install activerecord in Ruby on Rails 4.1.4 -


i unable install activerecord in ruby on rails 4.1.4.

i've added gem 'activeadmin', github: 'activeadmin' end of gemfile , run bundle install. returns 0, i've tried run rails g active_admin:install command, returns following error:

nameerror: undefined local variable or method install' main:object (irb):3 e:/software/ruby200-x64/lib/ruby/gems/2.0.0/gems/railties-4.1.4/lib/rails/commands/console.rb:90:in start' e:/software/ruby200-x64/lib/ruby/gems/2.0.0/gems/railties-4.1.4/lib/rails/commands/console.rb:9:in start' e:/software/ruby200-x64/lib/ruby/gems/2.0.0/gems/railties-4.1.4/lib/rails/commands/commands_tasks.rb:69:in console' e:/software/ruby200-x64/lib/ruby/gems/2.0.0/gems/railties-4.1.4/lib/rails/commands/commands_tasks.rb:40:in run_command!' e:/software/ruby200-x64/lib/ruby/gems/2.0.0/gems/railties-4.1.4/lib/rails/commands.rb:17:in ' e:/work/projects/src/technical_support_timer/bin/rails:4:in require' e:/work/projects/src/technical_support_timer/bin/rails:4:in ' -e:1:in load' -e:1:in'

why? doing wrong? how can fix it?

thanks in advance.

irb there try out ruby commands or snippets , see immediate responses. if want install or update gems, suggest off irb first running quit , follow whatever instructions have on hand.


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