I must be missing something easy. I have a raster that I published as an image service. Everything seems normal, but when I load the image service in an AGOL map, there is no option to "Configure Popups" which would allow me to click on the raster and see the cell values (see graphic below). I have another image service that I published a while back that appears to have the same/similar service settings which works fine. I cant see what Im doing different that is not allowing me to configure.
Any pointers would be greatly appreciated