Empty path list

I am using baseline_generator_c2 in the workflow_by_state folder and when I try to run it there appears to be an issue with the creation of the path_start and path_stop. Here is the error message I get:

Line 112: List.get: List is empty (index is 0). 

https://code.earthengine.google.com/d9fb827f2271853cb197f26034d4703a