Node Push will einfach nicht starten

nodePush (pid:24360)
====================
info: Using config '/var/www/vhosts/xxx/wcf/acp/be.bastelstu.wcf.nodePush/config'
info: Inbound-Socket: /var/www/vhosts/xxx/wcf/acp/be.bastelstu.wcf.nodePush/tmp/inbound.sock
info: Outbound-Socket: 89.xxx.xxx.xxx:30000
info: Trying to switch user to push and group push
notice: New User ID: 1000, New Group ID: 1012


module.js:340
    throw err;
          ^
Error: Cannot find module 'socket.io'
  at Function.Module._resolveFilename (module.js:338:15)
  at Function.Module._load (module.js:280:25)
  at Module.require (module.js:364:17)
  at require (module.js:380:17)
  at Server.callback (/var/www/vhosts/xxx/wcf/acp/be.bastelstu.wcf.nodePush/app.coffee:194:9)
  at Server.g (events.js:180:16)
  at Server.EventEmitter.emit (events.js:92:17)
  at net.js:1052:10
  at process._tickCallback (node.js:415:13)
  at Function.Module.runMain (module.js:499:11)
  at startup (node.js:119:16)
  at node.js:902:3




npm ERR! be.bastelstu.wcf.nodePush@1.0.0 start: `coffee app.coffee`
npm ERR! Exit status 8
npm ERR!
npm ERR! Failed at the be.bastelstu.wcf.nodePush@1.0.0 start script.
npm ERR! This is most likely a problem with the be.bastelstu.wcf.nodePush package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     coffee app.coffee
npm ERR! You can get their info via:
npm ERR!     npm owner ls be.bastelstu.wcf.nodePush
npm ERR! There is likely additional logging output above.
npm ERR! System Linux 3.2.0-4-amd64
npm ERR! command "/usr/local/bin/node" "/usr/local/bin/npm" "start"
npm ERR! cwd /var/www/vhosts/xxx/wcf/acp/be.bastelstu.wcf.nodePush
npm ERR! node -v v0.10.24
npm ERR! npm -v 1.3.21
npm ERR! code ELIFECYCLE
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     /var/www/vhosts/xxx/wcf/acp/be.bastelstu.wcf.nodePush/npm-debug.log
npm ERR! not ok code 0

TypeError: Arguments to path.resolve must be strings
    at Object.exports.resolve (path.js:313:15)
    at mkdirP (/usr/local/lib/node_modules/npm/node_modules/mkdirp/index.js:15:1                                                                                                                                                             4)
    at mkdir (/usr/local/lib/node_modules/npm/lib/npm.js:40:3)
    at /usr/local/lib/node_modules/npm/lib/npm.js:368:7
    at /usr/local/lib/node_modules/npm/lib/utils/find-prefix.js:12:7
    at process._tickCallback (node.js:415:13)
npm ERR! TypeError: Arguments to path.resolve must be strings
npm ERR!     at Object.exports.resolve (path.js:313:15)
npm ERR!     at mkdirP (/usr/local/lib/node_modules/npm/node_modules/mkdirp/inde                                                                                                                                                             x.js:15:14)
npm ERR!     at mkdir (/usr/local/lib/node_modules/npm/lib/npm.js:40:3)
npm ERR!     at /usr/local/lib/node_modules/npm/lib/npm.js:368:7
npm ERR!     at /usr/local/lib/node_modules/npm/lib/utils/find-prefix.js:12:7
npm ERR!     at process._tickCallback (node.js:415:13)
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/isaacs/npm/issues>


npm ERR! System Linux 3.2.0-4-amd64
npm ERR! command "/usr/local/bin/node" "/usr/local/bin/npm" "start"
npm ERR! cwd /var/www/vhosts/xxx/wcf/acp/be.bastelstu.wcf.                                                                                                                                                             nodePush
npm ERR! node -v v0.10.24
npm ERR! npm -v 1.3.21