我正在尝试安装npm，但它显示了此错误
错误：名称空间已存在 命令失败
npm错误！代码ELIFECYCLEnpm ERR！ errno 1
npm ERR！ zerotoblockchain-network@0.1.6预发布：mkdirp ./network/dist && composer archive create --sourceType dir --sourceName . -a ./network/dist/zerotoblockchain-network.bna
npm ERR！退出状态1
npm ERR！
npm ERR！在zerotoblockchain-network@0.1.6预发布脚本上失败。
npm ERR！ npm可能不是问题。上面可能还有其他日志记录输出。
npm ERR! A complete log of this run can be found in:
npm ERR! /home/bashayer/.npm/_logs/2018-07-05T14_29_49_053Z-debug.log
Package.json是：
{
"engines": {
"composer": ""
},
"name": "zerotoblockchain-network",
"version": "0.1.6",
"description": "Zero to Blockchain tutorial network",
"networkImage": "https://hyperledger.github.io/composer-sample-networks/packages/basic-sample-network/networkimage.svg",
"networkImageanimated": "https://hyperledger.github.io/composer-sample-networks/packages/basic-sample-network/networkimageanimated.svg",
"scripts": {
"prepublish": "mkdirp ./network/dist && composer archive create --sourceType dir --sourceName . -a ./network/dist/zerotoblockchain-network.bna",
"pretest": "npm run lint",
"lint": "eslint ./network",
"postlint": "npm run licchk",
"licchk": "license-check",
"postlicchk": "npm run doc",
"doc": "jsdoc --readme ./README.md --pedantic --recurse -c jsdoc.json -d network/out",
"test-inner": "mocha -t 0 --recursive && cucumber-js",
"test-cover": "nyc npm run test-inner",
"test": "mocha network/test --recursive -t 4000",
"start": "node index"
},
"repository": {
"type": "git",
"url": "https://github.com/rddill-IBM/ZeroToBlockchain"
},
"keywords": [
"zero",
"blockchain",
"tutorial",
"composer",
"hyperledger"
],
"author": "Bob Dill, IBM Distinguished Engineer",
"license": "Apache-2.0",
"devDependencies": {
"browserfs": "^1.2.0",
"chai": "^3.5.0",
"chai-as-promised": "^6.0.0",
"composer-admin": "^0.16.0",
"composer-client": "^0.16.0",
"composer-common": "^0.16.0",
"composer-connector-embedded": "^0.16.0",
"composer-cucumber-steps": "^0.16.0",
"composer-runtime": "^0.16.0",
"composer-runtime-hlfv1": "^0.16.0",
"cucumber": "^2.2.0",
"electron": "^2.0.4",
"eslint": "^3.6.1",
"extend": "",
"istanbul": "^0.4.5",
"jsdoc": "^3.5",
"license-check": "^1.1.5",
"mkdirp": "^0.5.1",
"mocha": "^3.2.0",
"moment": "^2.17.1",
"nyc": "^11.0.2"
},
"license-check-config": {
"src": [
"**/*.js",
"!./coverage/**/*",
"!./node_modules/**/*",
"!./network/out/**/*",
"!./HTML/js-utils/**/*",
"!./network/scripts/**/*"
],
"path": "header.txt",
"blocking": true,
"logInfo": false,
"logError": true
},
"nyc": {
"exclude": [
"coverage/**",
"network/features/**",
"network/out/**",
"network/test/**"
],
"reporter": [
"text-summary",
"html"
],
"all": true,
"check-coverage": true,
"statements": 100,
"branches": 100,
"functions": 100,
"lines": 100
},
"dependencies": {
"body-parser": "^1.18.1",
"cfenv": "^1.0.4",
"connect-busboy": "0.0.2",
"cookie-parser": "^1.4.3",
"date-format": "",
"ejs": "",
"express": "^4.15.4",
"express-session": "^1.15.5",
"fabric-client": "^1.0.2",
"fs": "0.0.1-security",
"http": "0.0.0",
"https": "^1.0.0",
"mime": "^2.0.2",
"os": "^0.1.1",
"path": "^0.12.7",
"sleep": "^5.1.1",
"uuid": "^3.1.0",
"vcap_services": "^0.3.4",
"websocket": "^1.0.24"
}
}
npm版本6.1.0 nodejs版本v4.2.6 Ubuntu版本16.04 LTS