Error: package or namespace load failed for ‘usethis’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
there is no package called ‘rlang’
Error: package ‘usethis’ could not be loaded
After attempting to install usethis, I get this error
WARNING: Rtools is required to build R packages but is not currently installed. Please download and install the appropriate version of Rtools before proceeding:
https://cran.rstudio.com/bin/windows/Rtools/
Installing package into ‘C:/Users/LENOVO1/Documents/R/win-library/4.0’
(as ‘lib’ is unspecified)