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

Did not have this problem when I built and ran on my own device. Only had this problem with simulators. I just simply restarted my computer and ran it. It worked.