Sorry to hear about the trouble, @danny_miniaturepony. Yeah, Yarn has some known bugs that make it pretty annoying to deal with on private repos but from what I understand, these steps might help:    $ npm config set @gsap:registry $ npm config set // xxxx-xxxx-xxxx-xxxx $ yarn add @gsap/shockingly gsap@npm:@gsap/shockingly (don't forget to put your token in there on the 2nd line)   Some people have reported that adding