Map Terrain.cfg file not loading

[LostTales]

  Hello, I need imminent help with something; I've been creating a map for my group (Spent hours+Days making it) and I logged on my laptop, went to go work on the map some more because it's almost done and it tells me "Unable to load Terrain.cgf file for LostTales!" mood dropped 100%. Please tell me what I should do; I've tried restarting Feral-Heart,  and restarting my laptop.

[LostTales]

Also, I have tried renaming the files to where they're the same; still doesn't work.

[LostTales]

And I meant Terrain.cfg*