Chapter 4 Previewing UIKit Views

In Chapter 4 in the section for Previewing UIKit views, I am getting the following error after following the code exactly:

Screen Shot 2021-01-08 at 12.19.54 PM

hi Omran, sorry I didn’t see this until now. I just ran the project in Xcode 12 and it works. Maybe clean the build folder? or restart Xcode/Mac?