#rake db:migrate
rake aborted!
Multiple migrations have the name CreateBooks
#rake
/usr/local/bin/ruby -I"lib:test" "/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb"
/usr/local/bin/ruby -I"lib:test" "/usr/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake/rake_test_loader.rb"
Errors running test:units!
てな状況なんですが、ヒントくれませんかー？mysql ruby gems rails は最新verです