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I was just building and running an app a few minutes ago and now I am receiving the error "The operation couldn’t be completed. (FBSOpenApplicationErrorDomain error 3.)" does anyone know what this means?

Thanks

I am using xcode7 and swift

Ace
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1 Answers1

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Reset iOS simulator.

Simulator > Reset content and settings... > Reset

It worked for me. This is not an error, Sometimes Xcode sdk behaves abnormally as its compiler do stuck while performing actions. As Simulator is a virtual devices, It also stuck at some point. So do reset as guided by above instructions. Hope it will help. Happy coding...

Ajeet
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