Xcode 8 - Missing Files warnings

Question

Ever since upgrading to Xcode 8 using Swift 2.3 I have several missing files warnings. They are all related to pods that I am using.

The files that are missing are

Answer 1

I've had this problem a few times now and finally I had it after doing ugly workarounds! I sat down and tracked it until I found the reason to it and were the references are stored!

As someone already proposed it has to do with version control, well yes and no, in some cases, it definitely have to do with poking around with files directly using the finder or whatever (but not from XCode)

Here's a quick fix that saves a lot of trouble and swear words!

Delete this file: ./.xcworkspace/xcuserdata/.xcuserdatad/UserInterfaceState.xcuserstate

And the errors go away!