我正在使用hyperledger fabric v1，但网络不会启动 . 发生以下错误

=====================================================
   -----> starting network
   =====================================================

从归档启动业务网络：zerotoblockchain-network.bna业务网络定义：标识符：zerotoblockchain-network@0.1.5描述：零到区块链教程网络

处理这些网络管理员：userName：admin

✔启动业务网络定义 . 这可能需要一分钟...成功创建业务网卡：文件名：networkadmin.card

命令成功

=====================================================
   -----> importing networkadmin card
   =====================================================

错误：卡已存在：admin @ zerotoblockchain-network命令失败

=====================================================
   -----> pinging admin@zerotoblockchain-network card
   =====================================================

错误：找不到卡：admin @ zerotoblockchain-network命令失败

=====================================================
   -----> starting REST server
   =====================================================

   network archive, start and deploy script for the Zero To Blockchain Series
   This has been tested on Mac OSX thru High Sierra and Ubuntu V16 LTS
   This script will create your Composer archive

参数：网络名称为：zerotoblockchain-network ======================================== ============= ----->测试休息服务器完成后，转到您喜欢的浏览器并输入localhost：3000 / explorer ============ ========================================= ========= ============================================ ----->启动休息服务器v0.15 for admin @ zerotoblockchain-network ====================================== ===============从业务网络定义中发现类型...连接失败：错误：找不到卡：admin @ zerotoblockchain-network将重试下一个请求 . 例外：错误：找不到卡：admin @ zerotoblockchain-network {错误：找不到卡：admin @ zerotoblockchain-network at IdCard.fromDirectory.catch.cause（/home/nikhil/.nvm/versions/node/v8.11.3/ lib / node_modules / composer-rest-server / node_modules / composer-common / lib / cardstore / filesystemcardstore.js:74:27）原因：{错误：无法读取所需文件：metadata.json at newErrorWithCause（/ home / nikhil） /.nvm/versions/node/v8.11.3/lib/node_modules/composer-rest-server/node_modules/composer-common/lib/idcard.js:36:19）在fs.readFile.catch.cause（/ home / nikhil / .nvm / versions / node / v8.11.3 / lib / node_modules / composer-rest-server / node_modules / composer-common / lib / idcard.js:326:23）原因：{错误：ENOENT：没有这样的文件或目录，打开'/home/nikhil/.composer/cards/admin@zerotoblockchain-network/metadata.json'errno：-2，代码：'ENOENT'，系统调用：'打开'，路径：'/ home / nikhil / .composer / cards / admin @ zerotoblockchain-network / metadata.json'}}}