acts_as_state_machine error: evaluating nil.exited

NoMethodError in FeedsController#do_validate

You have a nil object when you didn't expect it! The error occurred while evaluating nil.exited

RAILS_ROOT: /Users/jaysanders/Sites/rss/trunk Application Trace | Framework Trace | Full Trace

vendor/plugins/acts_as_state_machine/lib/acts_as_state_machine.rb: 64:in `perform' vendor/plugins/acts_as_state_machine/lib/acts_as_state_machine.rb: 94:in `fire' vendor/plugins/acts_as_state_machine/lib/acts_as_state_machine.rb: 93:in `each' vendor/plugins/acts_as_state_machine/lib/acts_as_state_machine.rb: 93:in `fire' vendor/plugins/acts_as_state_machine/lib/acts_as_state_machine.rb: 201:in `validated!' app/controllers/feeds_controller.rb:103:in `do_validate'

Oh yeah, this is line 64: old_state.exited(record) unless loopback