error: multiple targets named 'Feather' in: 'feather', 'feather-core';

[emptyblissbiz]

On my first foray into Vapor(Feather), this is my first blocker.
root@localhost:/opt/feather# swift run App
error: multiple products named 'Feather' in: 'feather', 'feather-core'
error: multiple targets named 'Feather' in: 'feather', 'feather-core'; consider using the moduleAliases parameter in manifest to provide unique names