NXTcoin Startup - Error: Could not find or load main class nxt . Nxt I setup a new VM with ubuntu 12.04 installed and installed java 8. I cloned the nxt repo and it is throwing this error:

Error: Could not find or load main class nxt.Nxt

What is this error and how can this be resolved?
thanks.
You have to first compile by doing:

./compile


then:

./run.sh