jitsu deploy error

jitsu deploy
info:   Welcome to Nodejitsu
info:   It worked if it ends with Nodejitsu ok
info:   Executing command deploy
info:   Analyzing your application dependencies in server.js
warn:   Local version appears to be old.
warn:   Your package.json version will be incremented for you automatically.
warn:   About to write C:\projects\parking\Webapp\package.json
data:
data:   {
data:       name: 'parking',
data:       engines: { node: 'v0.6.x' },
data:       version: '0.0.0-96',
data:       scripts: { start: 'server.js' },
data:       domains: [ .... ],
data:       dependencies: {
data:           express: '2.x.x',
data:           socket.io: '0.9.x',
data:           gzippo: '0.1.x'
data:       },
data:       subdomain: 'parking'
data:   }
data:
prompt: Is this ok? (yes):
warn:   Creating new snapshot for version 0.0.0-96
info:   Done creating snapshot 0.0.0-96
info:   Updating application parking
info:   Activating snapshot 0.0.0-96 for parking
info:   Stopping app parking
info:   App parking is now stopped
info:   Starting app parking
error:  Error running command deploy
error:  Nodejitsu Error (500): Internal Server Error
info:   Nodejitsu not ok