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  • This is weird, if no user is found matching the the given where-clause, calling .first would return nil so it should just work. Commented Jul 16, 2015 at 10:22
  • Sounds like a classic XY problem to me. What do you indend to do with that item in case it exists or not? Commented Jul 16, 2015 at 10:43
  • And FYI where(...).first is typically done via find_by(...). Commented Jul 16, 2015 at 10:45