Hobo Hobo

I´m trying to run Hobo 1.3.0.pre31, with Ruby 1.9.2 and Rails 3.1.0, on Windows 7.
So far, everytime I tried to start a new Hobo project, it failed at the time of the initial migration with the message "rake aborted!", followed by:
"AssociationCollection is not a class

Tasks: TOP => db:setup => db:create => db:load_config
(See full trace by running task with --trace) C:/Ruby192/lib/ruby/gems/1.9.1/gems/hobo-1.3.0.pre31/lib/hobo/extensions/active_
record/associations/collection.rb:3:in <module:Associations>': AssociationColle ction is not a class (TypeError) from C:/Ruby192/lib/ruby/gems/1.9.1/gems/hobo-1.3.0.pre31/lib/hobo/exten sions/active_record/associations/collection.rb:2:inmodule:ActiveRecord'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/hobo-1.3.0.pre31/lib/hobo/exten sions/active_record/associations/collection.rb:1:in <top (required)>' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:240:inrequire'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:240:in block in require' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:223:inblock in load_dependency'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:640:in new_constants_in' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:223:inload_dependency'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:240:in require' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/hobo-1.3.0.pre31/lib/hobo/engin e.rb:27:inblock in class:Engine'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/lazy_load_hooks.rb:36:in instance_eval' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/lazy_load_hooks.rb:36:inexecute_hook'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/lazy_load_hooks.rb:43:in block in run_load_hooks' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/lazy_load_hooks.rb:42:ineach'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/lazy_load_hooks.rb:42:in run_load_hooks' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.1.0/lib/active_r ecord/base.rb:2184:in'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activerecord-3.1.0/lib/active_r ecord/migration.rb:633:in initialize' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/hobo_fields-1.3.0.pre31/lib/gen erators/hobo/migration/migration_generator.rb:94:innew'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/hobo_fields-1.3.0.pre31/lib/gen erators/hobo/migration/migration_generator.rb:94:in migrations_pending?' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/hobo_fields-1.3.0.pre31/lib/gen erators/hobo/migration/migration_generator.rb:47:inmigrate'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/task.rb:22 :in run' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:118:ininvoke_task' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:124:in block in invoke_all' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:124:ineach' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:124:in map' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:124:ininvoke_all' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/group.rb:2 26:in dispatch' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:109:ininvoke' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/hobo-1.3.0.pre31/lib/generators /hobo/setup_wizard/setup_wizard_generator.rb:196:in generate_migration' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/task.rb:22 :inrun' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:118:in invoke_task' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:124:inblock in invoke_all' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:124:in each' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:124:inmap' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/invocation .rb:124:in invoke_all' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/group.rb:2 26:indispatch'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/thor-0.14.6/lib/thor/base.rb:38 9:in start' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.0/lib/rails/genera tors.rb:168:ininvoke'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.0/lib/rails/comman ds/generate.rb:12:in <top (required)>' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:240:inrequire'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:240:in block in require' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:223:inblock in load_dependency'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:640:in new_constants_in' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:223:inload_dependency'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/activesupport-3.1.0/lib/active_ support/dependencies.rb:240:in require' from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.1.0/lib/rails/comman ds.rb:28:in'
from script/rails:6:in require' from script/rails:6:in' "

Thanks for your attention.