ios - ERROR : perhaps the designated entry point is not set? -

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hello following this awesome tutorial didn't download stater project because want create different app have done want pop centerviewcontroller left side viewcontroller both in containerviewcontroller got in console:

2014-11-19 14:04:46.838 slidetable[3612:87749] failed instantiate default view controller uimainstoryboardfile 'main' - perhaps designated entry point not set?

i tried this answer got same result.

what error means have done required things auther provided @ start project didnt found solution this.

this code may project.

appdelegate.swift

func application(application: uiapplication, didfinishlaunchingwithoptions launchoptions: [nsobject: anyobject]?) -> bool {     window = uiwindow(frame: uiscreen.mainscreen().bounds)      let containerviewcontroller = containerviewcontroller()      window!.rootviewcontroller = containerviewcontroller     window!.makekeyandvisible()      return true }

am missing something? provide further information if needed.

the main controller of app (the entry point), have the "is initial view controller" checked on right bar? show arrow next it.


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