search for: save_without

...how to solve this since I''m not sure how to debug tasks run thru rake. Any ideas are appreciated. 1) Error: test_delete(OrderTest): ActiveRecord::RecordInvalid: Validation failed: Orders is invalid /var/lib/gems/1.8/gems/activerecord-1.15.3/lib/active_record/ validations.rb:764:in `save_without _transactions!'' /var/lib/gems/1.8/gems/activerecord-1.15.3/lib/active_record/ transactions.rb:133:in `save!'' /var/lib/gems/1.8/gems/activerecord-1.15.3/lib/active_record/ connection_adapters/abstract/databa se_statements.rb:59:in `transaction'' /var/lib/gems/1....