Cool, this should be easy.
In this line from the error output:
/Users/erichbarto/Downloads/CascadePath-master-2/CascadePath/CascadePath.ino:3:27: fatal error:
I can see that you've used git, and extracted a zip. Which is nice, right on.
Try changing you folder structure so that,
and see if that doesn't fix it.
This post by @MLXXXp should provide some more insight.