When creating a bootable installer for macOS, you might see the error message, “APFS disks may not be used as bootable install media.”In most cases, you need to format your disk using the Mac OS Extended (Journaled) file system, not APFS. Follow below procedure; Step 1: Open Disk Utility. You can find it in the Utilities folder in your Applications folder or use Spotlight to search for it.Step 2..
