I'm perplexed that the R.oo package installation fails on RStudio server, any idea on how I can get around it?

```
Installing package(s) into ‘/home/rstudio/R/library’
(as ‘lib’ is unspecified)
trying URL 'http://ftp.heanet.ie/mirrors/cran.r-project.org/src/contrib/R.oo_1.9.3.tar.gz'
Content type 'application/x-gzip' length 372217 bytes (363 Kb)
opened URL
==================================================
downloaded 363 Kb

* installing *source* package ‘R.oo’ ...
** package ‘R.oo’ successfully unpacked and MD5 sums checked
** R
** inst
** preparing package for lazy loading
Error in match(el, set, 0L) : object 'R.KEYWORDS' not found
Error : unable to load R code in package ‘R.oo’
ERROR: lazy loading failed for package ‘R.oo’
* removing ‘/home/rstudio/R/library/R.oo’
Warning in install.packages :
  installation of package ‘R.oo’ had non-zero exit status

```