Here's a temporary fix.
Navigate to the SGMiner folder:
cg /opt/miners/sgminer
Edit the missing file:
nano ckolivas.cl
Copy and paste this clean configuration file into nano:
http://pastebin.com/Gjr3JdEB#(Note: This configuration file may not be optimal for your system. Read the comments in the SGMiner release thread for a potentially optimized version for your specific setup:
http://www.reddit.com/r/litecoinmining/comments/1va8g2/ann_sgminer_400_release/)
reboot