- Open ios/YourAppName.xcodeproj in Xcode
- Right-click on Your App Name in the Project Navigator on the left, and click New Fileā¦
- Create a single empty Swift file to the project (make sure that Your App Name target is selected when adding)
- when Xcode asks, press Create Bridging Header and do not remove Swift file then.
re-run your build.
This should fix the problem