documentclass{scrartcl}
usepackage{xunicode,fontspec,xltxtra,refcount,amsmath,amssymb,amsthm}
usepackage[pro]{fontawesome5}%
faStyle{light}
begin{document}
  faIcon{globe}
end{document}

kpathsea:make_tex: Invalid filename `FontAwesome5ProSolid:script=latn;', contains ':'

Latex Error: /usr/local/texlive/2018/texmf-dist/tex/latex/fontawesome5/fontawesome5-utex-helper.sty:59 Font TU/fontawesomepro/solid/n/10.95=FontAwesome5ProSolid:script=latn; at 10.95pt not loadable: Metric (TFM) file or installed font not found.


relax

l.59 ...ze_font:nn{c__fontawesome_kind_tl}{solid}

!

! The font "FontAwesome" cannot be found.

!

! See the fontspec documentation for further information.

!

! For immediate help type H .

!...............................................

l.45 newfontfamily{FA}{FontAwesome}