Foliage1 pak

I recently purchased the Foliage1 pack, but when I went to install it, they said I didn't have a valid copy of RW. ???
https://www.railworksamerica.com/forum/
https://www.railworksamerica.com/forum/viewtopic.php?f=29&t=2410
LandN wrote:Because when I ran a route in RWTools I got a message saying they were missing from the route. Question is, how do I get my six dollars back now?