Hi,
I am using ArcGIS Desktop 10.7. I am having trouble adding Raster to Mosaic dataset. I am trying to put together data from landasat 7 etm, which I downloaded from EarthExplorer. Everytime I try to do that, it gives and error (screenshot attached). I have tried adding individual band layers (dataset), and folders (workspaces), but neither seems to work.
Can someone please tell me if I am doing anything wrong.
PS: I have turned off background processing as guided in one post.


Kind regards