1.2.2 Missing File(s)
An error of this type occurs when one or more files that you are attempting to download can not be found in the appropriate location in the EarthRef file structure. This is an uncommon error, but it means the file(s) that are missing are unavailable for download. You will still be able to download any other files, if any, that you had selected to download.
The webmaster will be notified any time an error of this type occurs, and will look into fixing the problem.