我正在寻找在我的项目中同时使用 yarn 和 npm，如果我发现yarn对我的特定情况有用，我可以将我的项目移动到yarn仅使用。
不过，我收到以下错误$yarn import：
local:project_middleware jgil$ yarn import
Internal Error: project-middleware@workspace:.: This package doesn't seem to be present in your lockfile; try to make an install to update your resolutions
at J.getCandidates (/Users/jgil/Development/BerserkerStudio/project_middleware/.yarn/releases/yarn-berry.cjs:2:325115)
at i.getCandidates (/Users/jgil/Development/BerserkerStudio/project_middleware/.yarn/releases/yarn-berry.cjs:2:314232)
at /Users/jgil/Development/BerserkerStudio/project_middleware/.yarn/releases/yarn-berry.cjs:2:335605
at Array.map (<anonymous>)
at Ae.resolveEverything (/Users/jgil/Development/BerserkerStudio/project_middleware/.yarn/releases/yarn-berry.cjs:2:335321)
at async Ae.applyLightResolution (/Users/jgil/Development/BerserkerStudio/project_middleware/.yarn/releases/yarn-berry.cjs:2:357937)
at async Ae.restoreInstallState (/Users/jgil/Development/BerserkerStudio/project_middleware/.yarn/releases/yarn-berry.cjs:2:357667)
at async Ke.execute (/Users/jgil/Development/BerserkerStudio/project_middleware/.yarn/releases/yarn-berry.cjs:2:98394)
at async Ke.validateAndExecute (/Users/jgil/Development/BerserkerStudio/project_middleware/.yarn/releases/yarn-berry.cjs:2:626801)
at async j.run (/Users/jgil/Development/BerserkerStudio/project_middleware/.yarn/releases/yarn-berry.cjs:17:3854)
我已经运行$yarn set version berry并一次又一次地尝试使用删除node_modules目录，运行 …