Performing `mup deploy` a second time crashes Meteor.js-Collection of common programming errors

The first execution of mup depoly works fine. However doing mup deploy a second time or running mup reconfig will cause Meteor.js to crash.

Bundling Started: /var/www/test-app

Started TaskList: Deploying App
[localhost] uploading bundle
[localhost] uploading bundle: SUCCESS
[localhost] setting up env vars
[localhost] setting up env vars: SUCCESS
[localhost] uploading settings.json
[localhost] uploading settings.json: SUCCESS
[localhost] calling deploy script
[localhost] calling deploy script: FAILED

    Warning: Permanently added 'localhost' (ECDSA) to the list of known hosts.
    npm WARN package.json [email protected] No repository field.
    npm http GET
    npm http 304
      % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                     Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (7) couldn't connect to host
    reverted back to the previous version due to the latest version didn't pick up!

    > [email protected] install /opt/meteor/tmp/bundle/programs/server/node_modules/fibers
    > node ./build.js

    `linux-x64-v8-3.14` exists; testing
    Binary is fine; exiting
    [email protected] node_modules/fibers
    meteor stop/waiting
    meteor start/running, process 4087
    meteor stop/waiting
    meteor start/running, process 4112
Completed TaskList: Deploying App

Meteor isn’t running after the command has finished running. Would like to know if anyone have solved this problem. Thanks!