alexandrebini::nb-2 /Volumes/data/voraz/sua_empreza/v2 (alexandre) $  rake db:migrate --trace
(in /Volumes/data/voraz/sua_empreza/v2)
** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
** Execute db:migrate
==  UpdatePicture: migrating ==================================================
rake aborted!
An error has occurred, all later migrations canceled:

wrong number of arguments (2 for 0)
./db/migrate//20090529133806_update_picture.rb:5:in `remove_foreign_key'
./db/migrate//20090529133806_update_picture.rb:5:in `up_without_benchmarks'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:280:in `send'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:280:in `migrate'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/benchmark.rb:293:in `measure'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:280:in `migrate'
(__DELEGATION__):2:in `__send__'
(__DELEGATION__):2:in `migrate'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:480:in `migrate'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:556:in `call'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:556:in `ddl_transaction'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:479:in `migrate'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:466:in `each'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:466:in `migrate'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:394:in `up'
/Library/Ruby/Gems/1.8/gems/activerecord-2.2.2/lib/active_record/migration.rb:377:in `migrate'
/Library/Ruby/Gems/1.8/gems/rails-2.2.2/lib/tasks/databases.rake:111
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:617:in `call'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:617:in `execute'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:612:in `each'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:612:in `execute'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:578:in `invoke_with_call_chain'
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:571:in `invoke_with_call_chain'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:564:in `invoke'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:2019:in `invoke_task'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `top_level'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `each'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `top_level'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `standard_exception_handling'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:1991:in `top_level'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:1970:in `run'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `standard_exception_handling'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/lib/rake.rb:1967:in `run'
/Library/Ruby/Gems/1.8/gems/rake-0.8.3/bin/rake:31
/usr/bin/rake:19:in `load'
/usr/bin/rake:19