error when installing google_maps Radiant extension

C:\Users\Michael\Devel\fitrent>rake development radiant:extensions:google_maps:migrate --trace
(in C:/Users/Michael/Devel/fitrent)
** Invoke development (first_time)
** Execute development
** Invoke environment (first_time)
** Execute environment
rake aborted!
wrong number of arguments (1 for 2)
C:/Users/Michael/Devel/fitrent/vendor/extensions/google_maps/vendor/plugins/spatial_adapter/lib/mysql_spatial_adapter.rb:75:in `attribute_condition'
C:/Users/Michael/Devel/fitrent/vendor/extensions/google_maps/vendor/plugins/spatial_adapter/lib/mysql_spatial_adapter.rb:75:in `get_rails2_conditions'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1918:in `map'
C:/Users/Michael/Devel/fitrent/vendor/extensions/google_maps/vendor/plugins/spatial_adapter/lib/mysql_spatial_adapter.rb:56:in `each'
C:/Users/Michael/Devel/fitrent/vendor/extensions/google_maps/vendor/plugins/spatial_adapter/lib/mysql_spatial_adapter.rb:56:in `map'
C:/Users/Michael/Devel/fitrent/vendor/extensions/google_maps/vendor/plugins/spatial_adapter/lib/mysql_spatial_adapter.rb:56:in `get_rails2_conditions'
C:/Users/Michael/Devel/fitrent/vendor/extensions/google_maps/vendor/plugins/spatial_adapter/lib/mysql_spatial_adapter.rb:93:in `sanitize_sql_hash_for_conditions
'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:2236:in `sanitize_sql'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1499:in `merge_conditions'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1497:in `each'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1497:in `merge_conditions'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1809:in `add_conditions!'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1692:in `construct_finder_sql'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1553:in `find_every'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1510:in `find_initial'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:613:in `find'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1959:in `find_or_initialize_by_key'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1945:in `send'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activerecord/lib/active_record/base.rb:1945:in `method_missing_without_paginate'
C:/Users/Michael/Devel/fitrent/vendor/extensions/paperclipped/vendor/plugins/will_paginate/lib/will_paginate/finder.rb:170:in `method_missing'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/app/models/radiant/config.rb:45:in `[]='
C:/Users/Michael/Devel/fitrent/config/environment.rb:89
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/railties/lib/initializer.rb:592:in `call'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/railties/lib/initializer.rb:592:in `after_initialize'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/railties/lib/initializer.rb:591:in `each'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/railties/lib/initializer.rb:591:in `after_initialize'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/lib/radiant/initializer.rb:136:in `after_initialize'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/railties/lib/initializer.rb:177:in `process'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/railties/lib/initializer.rb:113:in `send'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/railties/lib/initializer.rb:113:in `run'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/lib/radiant/initializer.rb:116:in `run'
C:/Users/Michael/Devel/fitrent/config/environment.rb:14
C:/Ruby/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
C:/Ruby/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activesupport/lib/active_support/dependencies.rb:156:in `require'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activesupport/lib/active_support/dependencies.rb:521:in `new_constants_in'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/activesupport/lib/active_support/dependencies.rb:156:in `require'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/vendor/rails/railties/lib/tasks/misc.rake:4
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain'
C:/Ruby/ruby/lib/ruby/1.8/monitor.rb:242:in `synchronize'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/radiant-0.8.0/lib/tasks/environments.rake:4
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain'
C:/Ruby/ruby/lib/ruby/1.8/monitor.rb:242:in `synchronize'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
C:/Ruby/ruby/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31
C:/Ruby/ruby/bin/rake:19:in `load'
C:/Ruby/ruby/bin/rake:19

C:\Users\Michael\Devel\fitrent>