Hmm ... looks like a package
Converting parsed Rd's to LaTeX Creating pdf output from LaTeX ...
warning: kpathsea: configuration file texmf.cnf not found in these directories: /usr/bin:/usr/bin/share/texmf-local/web2c:/usr/bin/share/texmf-dist/web2c:/usr/bin/share/texmf/web2c:/usr/bin/texmf-local/web2c:/usr/bin/texmf-dist/web2c:/usr/bin/texmf/web2c:/usr:/usr/share/texmf-local/web2c:/usr/share/texmf-dist/web2c:/usr/share/texmf/web2c:/usr/texmf-local/web2c:/usr/texmf-dist/web2c:/usr/texmf/web2c://texmf-local/web2c:/://share/texmf-local/web2c://share/texmf-dist/web2c://share/texmf/web2c://texmf-local/web2c://texmf-dist/web2c://texmf/web2c.
This is pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX Live 2022/Arch Linux) (preloaded format=pdflatex)

kpathsea: Running mktexfmt pdflatex.fmt
mktexfmt: No such file or directory
I can't find the format file `pdflatex.fmt'!
Warning in file(con, "r") :
  cannot open file 'Rd2.log': No such file or directory
Error in file(con, "r") : cannot open the connection
warning: kpathsea: configuration file texmf.cnf not found in these directories: /usr/bin:/usr/bin/share/texmf-local/web2c:/usr/bin/share/texmf-dist/web2c:/usr/bin/share/texmf/web2c:/usr/bin/texmf-local/web2c:/usr/bin/texmf-dist/web2c:/usr/bin/texmf/web2c:/usr:/usr/share/texmf-local/web2c:/usr/share/texmf-dist/web2c:/usr/share/texmf/web2c:/usr/texmf-local/web2c:/usr/texmf-dist/web2c:/usr/texmf/web2c://texmf-local/web2c:/://share/texmf-local/web2c://share/texmf-dist/web2c://share/texmf/web2c://texmf-local/web2c://texmf-dist/web2c://texmf/web2c.
This is pdfTeX, Version 3.141592653-2.6-1.40.24 (TeX Live 2022/Arch Linux) (preloaded format=pdflatex)

kpathsea: Running mktexfmt pdflatex.fmt
mktexfmt: No such file or directory
I can't find the format file `pdflatex.fmt'!
Warning in file(con, "r") :
  cannot open file 'Rd2.log': No such file or directory
Error in file(con, "r") : cannot open the connection
Error in running tools::texi2pdf()
You may want to clean up by 'rm -Rf /tmp/RtmpIZpCnq/Rd2pdf1084ce20004'