could you help me to understand this error in r?

install.packages("swirl")

There is a binary version available but the source version is later:

  binary source needs_compilation swirl  2.4.3  2.4.5             FALSE

installing the source package ‘swirl’

trying URL 'https://cran.rstudio.com/src/contrib/swirl_2.4.5.tar.gz' Content type 'application/x-gzip' length 108847 bytes (106 KB)

================================================== downloaded 106 KB

Warning in strptime(xx, f <- "%Y-%m-%d %H:%M:%OS", tz = tz) :
unknown timezone 'zone/tz/2019c.1.0/zoneinfo/America/Mexico_City'
* installing source package ‘swirl’ ...
** package ‘swirl’ successfully unpacked and MD5 sums checked
** R
** inst
** preparing package for lazy loading

Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) :

namespace ‘stringi’ 1.1.5 is being loaded, but >= 1.1.7 is required
ERROR:
lazy loading failed for package ‘swirl’
* removing ‘/Library/Frameworks/R.framework/Versions/3.4/Resources/library/swirl’
Warning in install.packages :
installation of package ‘swirl’ had non-zero exit status

The downloaded source packages are in

/private/var/folders/cv/ppslc7x52tbdh_xg5xg8_qtm0000gn/T/Rtmp2ZFFky/downloaded_packages