Linker Command failed with exit code 1 (use -v to see invocation), Xcode 8, Swift 3

Question

I can\'t get rid of this error!

I have tried all sorts of things like clearing Derived Data(Preferences->Locations->click gray arrow to open Derived Data fo

Answer 1

Make sure the Find Implicit Dependencies checkbox is checked.

(Product -> Scheme -> Edit Scheme -> Build -> Find Implicit Dependencies)