Message "This file was created in a newer version of eVSM...". Unable to open file.
This means that the file was created in a newer version of eVSM than the one currently installed on your machine. You will not be able to make any changes to the file unless you upgrade eVSM to the file was created in, or a newer version of eVSM.
If you only need to view or print the file, ask the author of the file to send you a PDF version of the map.