我正在尝试使用roxygen2为我的R包创建文档，但是，当我单击文档时，出现以下错误：
First time using roxygen2. Upgrading automatically...
Error in .f(.x[[i]], ...) : attempt to apply a non-function
Calls: suppressPackageStartupMessages ... read_pkg_description ->
read.description -> <Anonymous> -> .Call -> .f