1.2.6 Could Not Open File for Reading/Writing
This is a server-side error that occurs when the script attempts to read or write to a file in the EarthRef file structure, but is unable to. This may occur for various reasons. It is an uncommon error, but unfortunately means that the operation you are trying to perform can not be done at this time.
The webmaster is always notified of this type of error and will work on resolving this problem.