better error message if cannot open file
better error message if cannot open file

mario-campos/clay,mario-campos/clay,jckarter/clay,jckarter/clay,jckarter/clay,jckarter/clay,iamrekcah/clay,iamrekcah/clay,mario-campos/clay,mario-campos/clay,iamrekcah/clay,iamrekcah/clay,iamrekcah/clay,jckarter/clay,mario-campos/clay,jckarter/clay