error:   Error running command deploy
error:   Nodejitsu Error (500): Internal Server Error
warn:    Error returned from Nodejitsu
error:   Error: App failed to start after 3 attempts.
error:       at AppController._startDrone.server (/root/nodejitsu/lib/nodejitsu/resources/app/controller.js:479:25)
error:       at Servers.free (/root/nodejitsu/node_modules/conservatory-api/lib/client/servers.js:89:5)
error:       at Request.onComplete [as _callback] (/root/nodejitsu/node_modules/conservatory-api/lib/client/client.js:161:7)
error:       at Request.init.self.callback (/root/nodejitsu/node_modules/conservatory-api/node_modules/request/main.js:127:22)
error:       at Request.EventEmitter.emit (events.js:99:17)
error:       at Request.<anonymous> (/root/nodejitsu/node_modules/conservatory-api/node_modules/request/main.js:767:16)
error:       at Request.EventEmitter.emit (events.js:126:20)
error:       at IncomingMessage.Request.start.self.req.self.httpModule.request.buffer (/root/nodejitsu/node_modules/conservatory-api/node_modules/request/main.js:729:14)
error:       at IncomingMessage.EventEmitter.emit (events.js:126:20)
error:       at IncomingMessage._emitEnd (http.js:367:10)