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I have a Single view application project called "SpaceImpactSwift" when I run the app the iPhone simulator is black and the log says: 

Unknown class _TtC16SpaceImpactSwift18GameViewController in Interface Builder file. Unknown class SKView in Interface Builder file.

Now, it says a SKView is wrong or something, but this is not a SpriteKit project, I had a project called the same that DID use SpriteKi but I removed it and created this.

I have tried [cmd]+[shift]+K Clean but it doesn't work.

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  • Update Xcode to the current beta. Sticking with a beta when a new one is released is kind of asking for problems. Commented Jul 18, 2014 at 10:13

1 Answer 1

Reset to default
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  1. Reset the simulator.
  2. If it does not work, update to latest Xcode 6 Beta.
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3 Comments

Im guessing its just some file error but I dont know where to find it. I sholdnt need to update to latest
It's recommended that you stay up-to-date with your xCode version, Swift specifications may vary.
I made it work by deleting derived data, restarting xcode and resetting simulator and restarting.

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