Do you think of a way to reuse this log message in https://github.com/okfn/ckan/blob/20a101ca06caacda2466f016a31f4877aa502cf1/ckan/templates/dataviewer/snippets/no_preview.html#L11-L12? I might be missing something, but it feels kinda duplicated...

If it's not, nevermind :-)