ruby on rails - delayed_job undefined method `to_datetime' for false:FalseClass -

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i using delayed job following versions of dependent packages

/var/lib/gems/2.3.0/gems/delayed_job-4.0.6 /var/lib/gems/2.3.0/gems/delayed_job_active_record-4.0.1 /var/lib/gems/2.3.0/gems/activerecord-3.2.13 /var/lib/gems/2.3.0/gems/activesupport-3.2.13

when article.delay.create get

undefined method `to_datetime' false:falseclass

same versions on production server works fine here entire trace

http://snippi.com/s/unswxld

the issue rails 3.2.13. not sure how working on production server. upgraded version of rails 3.2.22 in gem file

gem 'rails', '3.2.22'

it worked fine


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