issue while installing this package

[doas3140]

A problem has arisen with the installation of this package. This fixes it. Also, more information has also been added on how to install the required packages.

> devtools::install_github('ievaKer/pathExplore')
Downloading GitHub repo ievaKer/pathExplore@HEAD
✔  checking for file ‘/tmp/RtmpObPlv6/remotes790801852e11f/ievaKer-pathExplore-5076e40/DESCRIPTION’ ...
─  preparing ‘pathExplore’:
✔  checking DESCRIPTION meta-information ...
─  checking for LF line-endings in source and make files and shell scripts
─  checking for empty or unneeded directories
   Removed empty directory ‘pathExplore/evaluation’
   Removed empty directory ‘pathExplore/examples’
   Removed empty directory ‘pathExplore/images’
   Removed empty directory ‘pathExplore/results’
─  building ‘pathExplore_1.0.tar.gz’
   
Installing package into ‘/home/domas/R/x86_64-pc-linux-gnu-library/4.0’
(as ‘lib’ is unspecified)
* installing *source* package ‘pathExplore’ ...
** using staged installation
** R
Error in parse(outFile) : 
  /tmp/RtmpPYmY4a/R.INSTALL84ec316c00ad9/pathExplore/R/networkPlot.R:255:33: unexpected input
254:   edges %>%
255:     .[ , xStart := lapply(from, \
                                     ^
ERROR: unable to collate and parse R files for package ‘pathExplore’
* removing ‘/home/domas/R/x86_64-pc-linux-gnu-library/4.0/pathExplore’
* restoring previous ‘/home/domas/R/x86_64-pc-linux-gnu-library/4.0/pathExplore’
Warning message:
In i.p(...) :
  installation of package ‘/tmp/RtmpObPlv6/file79080d436514/pathExplore_1.0.tar.gz’ had non-zero exit status

Environment:
R: 4.0.4
OS: Ubuntu 21.10