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我正在尝试使用Loopback为我现有的数据库创建api。当我尝试“发现”的模式,我得到这个错误:Loopback:无法找到模块'negotiator'
Message: Cannot find module 'negotiator'
Request: /workspace/api/DataSourceDefinitions/server.tweetvtds/testConnection
Staus: 500
Error: Cannot find module 'negotiator'
at Function.Module._resolveFilename (module.js:336:15)
at Function.Module._load (module.js:278:25)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object.<anonymous> (~/lb/node_modules/loopback/node_modules/express/node_modules/accepts/index.js:1:80)
at Module._compile (module.js:460:26)
at Object.Module._extensions..js (module.js:478:10)
at Module.load (module.js:355:32)
at Function.Module._load (module.js:310:12)
at Module.require (module.js:365:17)
我读其他地方,我应该尝试:
# uninstall the existing version
npm uninstall -g generator-loopback
# install it again
npm install -g generator-loopback
但是这并没有帮助。这个错误是什么意思,我该如何解决它?