As of now, the SPM support only exists on the master branch but not on a release tag resulting to this error when specifying for the latest version. <img width="300" alt="Screen Shot 2020-02-26 at 3 19 18 PM" src="https://user-images.githubusercontent.com/5672125/75321311-6d9ed880-58ab-11ea-894f-0bdaee7614d4.png">
As of now, the SPM support only exists on the master branch but not on a release tag resulting to this error when specifying for the latest version.