Nodejitsu deploy 500 error

gistfile1.txt

path.existsSync is now called `fs.existsSync`.
info:   Welcome to Nodejitsu hiattp
info:   It worked if it ends with Nodejitsu ok
info:   Executing command deploy
info:   Analyzing your application dependencies in app.js
info:   Creating snapshot 0.0.3
info:   Updating app food-exercises
info:   Activating snapshot 0.0.3 for food-exercises
info:   Stopping app food-exercises
info:   App food-exercises is now stopped
info:   Starting app food-exercises
error:  Error running command deploy
error:  Nodejitsu Error (500): Internal Server Error
warn:   Error returned from Nodejitsu
error:  Error: socket hang up
error:      at createHangUpError (http.js:1263:15)
error:      at Socket.socketOnEnd (http.js:1351:23)
error:      at TCP.onread (net.js:417:26)
info:   Nodejitsu not ok