I have done bundle install and bundle update. Here is my [timestamp]_create_users.rb class CreateUsers < ActiveRecord::Migration def change create_table :users do |t| t.strig :name t.string :email t.timestamps null:false end end end piga@PIGA-PC ~/Workspace/sample_app (modeling-users) $ bundle exec rake db:migrate == 20141121153548 CreateUsers: migrating =====================================-- create_table(:users) *rake aborted!* StandardError: An error has occurred, this and all later migrations canceled: undefined method `strig' for #<ActiveRecord::ConnectionAdapters::TableDefinition:0x3740c10>C:/Users/piga/Worksp ace/sample_app/db/migrate/20141121153548_create_users.rb:4:in `block in change' C:/Users/piga/Workspace/sample_app/db/migrate/20141121153548_create_users.rb:3:in `change' c:in `migrate' Tasks: TOP => db:migrate -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/b1814c84-6da9-4fb5-b406-81d0be3bd472%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.