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我正在开发一个 R 包，我正在使用packrat它来管理依赖项。
packrat
在项目库中安装后dplyr，使用时出现以下错误packrat::restore()：
dplyr
packrat::restore()
Errore: Unable to retrieve package records for the following packages: - 'demandr'
demandr我正在处理的包的名称在哪里。有什么建议吗？
demandr