MUPx deploy error:



MUPx deploy, after nearly 2 hrs build I got:

  // Server authentication info
  "servers": [
      "host": "",
      "username": "root",
       //"password": "123456",
      // or pem file (ssh based authentication)
      // WARNING: Keys protected by a passphrase are not supported
      "pem": "~/.ssh/id_rsa",
      // Also, for non-standard ssh port use this
      //"sshOptions": { "port" : 49154 },
      // server specific environment variables
      "env": {}

  // Install MongoDB on the server. Does not destroy the local MongoDB on future setups
  "setupMongo": true,

  // Application name (no spaces).
  "appName": "spark2acs",

  // Location of app (local directory). This can reference '~' as the users home directory.
  // i.e., "app": "~/Meteor/my-app",
  // This is the same as the line below.
  "app": "~/Meteor/spark2acs",

  // Configure environment
  // ROOT_URL must be set to your correct domain (https or http)
  "env": {
    "PORT": 3012,
    "ROOT_URL": ""

  // Meteor Up checks if the app comes online just after the deployment.
  // Before mup checks that, it will wait for the number of seconds configured below.
  "deployCheckWaitTime": 600,

  // show a progress bar while uploading. 
  // Make it false when you deploy using a CI box.
  "enableUploadProgressBar": true

Started TaskList: Setup (linux)
[] - Installing Docker
[] - Installing Docker: SUCCESS
[] - Setting up Environment
[] - Setting up Environment: SUCCESS
[] - Copying MongoDB configuration
[] - Copying MongoDB configuration: SUCCESS
[] - Installing MongoDB
[] - Installing MongoDB: SUCCESS
You have new mail in /var/mail/seb
minminsanjose (master +) .deploy $ mupx deploy

Meteor Up: Production Quality Meteor Deployments

throw new Error(

Error: If encoding is specified then the first argument must be a string
at new Buffer (buffer.js:106:13)
at Readable. (/usr/local/lib/node_modules/mupx/node_modules/archiver/lib/util/index.js:32:15)
at emitNone (events.js:91:20)
at Readable.emit (events.js:185:7)
at endReadableNT (_stream_readable.js:926:12)
at _combinedTickCallback (internal/process/next_tick.js:74:11)
at process._tickCallback (internal/process/next_tick.js:98:9)

I’m getting the same error. Every find a solution?