我需要一些关于使用Kurento设置群组视频聊天的帮助 这是我尝试将第二个人连接到Web应用程序时出现的错误：
argv "node" "/usr/bin/npm" "start"
npm ERR! node v0.10.41
npm ERR! npm v3.5.2
npm ERR! code ELIFECYCLE
npm ERR! kurento-composite-call@6.1.1-dev start: node server.js
npm ERR! Exit status 8
npm ERR!
npm ERR! Failed at the kurento-composite-call@6.1.1-dev start script 'node server.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the kurento-composite-call package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! node server.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs kurento-composite-call
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls kurento-composite-call
npm ERR! There is likely additional logging output above.
npm ERR! Please include the following file with any support request:
npm ERR! /home/goldsoft25/Desktop/NodeJS/kurento-tutorial-node-master/KurentoExample/npm-debug.log