How do I resolve a "Organization not found" error in Unreal?

I'm trying to sign in to beamable through the unreal sdk example project but receive the following error: 'Organization not found. If you haven't created an account yet, please Sign Up instead.'

I'm following the github readme, using all lowercase, no spaces and dash-separated.

I have it [Project Settings > Beamable Core > Beam Environment] pointed to Dev