How to handle Error: IBOutlet is nil in ViewController transited by code not by Segue.

Japanese version is here uchinoinu.hatenablog.jp Env Xcode 8.0 bata Swift 3 Principle to develop Make UI using Storyboard Using IBOutlet Transition by Code Problem 遷移先でIBOutletさんがnilになります Reason I did wrong way to call ViewController to transit to. let nextVC = NextViewController() // T…