This copy of libswiftCore.dylib requires an OS version prior to 12.2.0

Question

The app crashes on launch when running from XCode 10.2 (before and after Swift 5.0 migration) with this on console

This copy of libswiftCore.dylib req

Answer 1

This worked for me:

1. Go to "Window" tab -> "Devices and Simulators"
2. Switch to "Simulators" tab
3. Click on "+" in bottom left corner
4. Select "iPhone X" (or whatever device you see in console error) in "Device Type" select
5. Click "Create"