@ThomasHervey1 I am having this issue again with a freshly created hub initiative. It isn't finding any of our organization's data layers.
Edit: For those that were still having this issue like I was, the fix is to go into the Share settings of the Hub site (the small icon of two people next to the save button at the time of writing this) and ensuring that the Groups that were created when you deployed the initiative are listed under the "Group Sharing" buttons. You then need to share those layers with the group from that layers details page. Once I did that, it started showing up for me. @Gewobari @MarcCarullo @meganfraser @jp503
Maybe I just haven't found it, but some documentation on deploying this and setting it up would be very helpful. I have seen no mention of needing to add any data to groups and judging by this thread, many others haven't either. Considering the cost of Hub Premium, the deployment process should have much more documentation and resources available.