Failed to install gamar on my mac

[dataandcrowd]

Hi I use macOSX Monterey and am running GAMA and R on my MacBookPro Apple M1 Pro. The package sadly didn't work on my machine. If so, can you check on my session info to see what is missing?

> devtools::install_github("r-and-gama/gamar")
Downloading GitHub repo r-and-gama/gamar@HEAD
✔  checking for file ‘/private/var/folders/38/r5yy537n2wv93s2kvtrf0nhr0000gn/T/RtmpuhieSM/remotes2d7550db661/r-and-gama-gamar-3e9dd2b/DESCRIPTION’ ...
─  preparing ‘gamar’:
✔  checking DESCRIPTION meta-information ...
─  checking for LF line-endings in source and make files and shell scripts
─  checking for empty or unneeded directories
   Omitted ‘LazyData’ from DESCRIPTION
─  building ‘gamar_0.1.0.tar.gz’
   
* installing *source* package ‘gamar’ ...
** using staged installation
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
Warning in gama_version(pehaps_path) : NAs introduced by coercion
Error: package or namespace load failed for ‘gamar’:
 .onAttach failed in attachNamespace() for 'gamar', details:
  call: if (version < 1.8) {
  error: missing value where TRUE/FALSE needed
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/Library/Frameworks/R.framework/Versions/4.2-arm64/Resources/library/gamar’
Warning message:
In i.p(...) :
  installation of package ‘/var/folders/38/r5yy537n2wv93s2kvtrf0nhr0000gn/T//RtmpuhieSM/file2d77740c5e6/gamar_0.1.0.tar.gz’ had non-zero exit status