I am trying to set up some custom base maps in ArcGIS online to use in some of our web apps. The maps come together fine. I put the data into the base map section of the map contents and I'm using map image layers. I put them in a group with the proper sharing according to the documentation. When I add the group to my applications none of the layers I added are displayed in the base map. I have tried putting the data on our portal, putting it on AGOL and pulling from someone else's portal with no success.
Any ideas would be appreciated.