I'm getting this error when I try to build my app. I'm using Xcode 11.3.1 <img width="702" alt="Screen Shot 2020-02-19 at 3 43 29 PM" src="https://user-images.githubusercontent.com/28667147/74812664-df68a680-532e-11ea-825b-9c2caa36629a.png">