Use Legacy Swift Language Version - Xcode 8.2

Question

After updating to Xcode 8.2 the compiler throws one error for my App target:

“Use Legacy Swift Language Version” (SWIFT_VERSION) is required to be con

Answer 1

Well I've finally figure it out. I've removed the project and clone it again, restarted Xcode, run pod repo update and pod install and it worked. I've no idea why.