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I'm following the instructions in rails tutorial and got stuck when trying to use the scaffold command. When running: rails generate scaffold User name:string email:string I get the error: C:/RailsInstaller/Ruby1.9.2/lib/ruby/gems/1.9.1/gems/activerecord-3.1.0/lib/active_record/connection_adapters/abstract/connection_specification.rb:71:in `rescue in establish_connection': Please install the sqlite3 adapter: `gem install activerecord-sqlite3-adapter` (can't activate sqlite3 (~> 1.3.4), already activated sqlite3-1.3.3-x86-mingw32. Make sure all dependencies are added to Gemfile.) (RuntimeError) Running: gem install activerecord-sqlite3-adapter I got the error: ERROR: Could not find a valid gem 'activerecord-sqlite3-adapter' (>= 0) in any repository ERROR: Possible alternatives: activerecord-jdbcsqlite3-adapter, activerecord-sqlserver-adapter, activerecord-nulldb-adapter, activerecord-spatialite-adapter, activerecord-simpledb-adapter My Gemfile looks like this: source 'http://rubygems.org' gem 'rails', '3.1.0' gem 'sqlite3', '1.3.3' ... I'm running on Windows 7 x64 OS. Any ideas?

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