RequirePackage succeeds but font not found

I am trying to build a CV with friggeri but I am trying to change the default font ‘Helvetica Neue’ with ‘Source Sans Pro’.

This means that I want to change:

newfontfamilybodyfont[]{Helvetica Neue}
newfontfamilythinfont[]{Helvetica Neue UltraLight}
newfontfamilyheadingfont[]{Helvetica Neue Condensed Bold}

defaultfontfeatures{Mapping=tex-text}
setmainfont[Mapping=tex-text, Color=textcolor]{Helvetica Neue Light}

to

newfontfamilybodyfont[]{Source SansPro}
newfontfamilythinfont[]{Source Sans Pro ExtraLight}
newfontfamilyheadingfont[]{Source Sans Pro Black}

defaultfontfeatures{Mapping=tex-text}

setmainfont[Mapping=tex-text, Color=textcolor]{Source Sans Pro Light}

in the frigerri-cv.cls file.

So I checked if I had ‘Source Sans Pro’ installed.

locate sourcesanspro returns all the otf files in the folder:
/usr/share/texlive/texmf-dist/fonts/vf/adobe/sourcesanspro/ and the sty file /usr/share/texlive/texmf-dist/tex/latex/sourcesanspro/sourcesanspro.sty

Seeing this I thought I will be fine, but…

I import in the package:

 RequirePackage[default]{sourcesanspro}

And then I try to use it:

 newfontfamilybodyfont[]{Source Sans Pro}

But this fails.

fontspec error: "font-not-found"
! 
! The font "Source Sans Pro" cannot be found.

I also tried setsansfont{Source Sans Pro} as in examples I have seen online but that also fails.

I tried running fc-list to check if the font is there, but it is not. Could this be the issue? What would you advise me to do? I am particularly puzzled because the RequirePackage command succeeds, so the package is there.

Thanks!

newfontfamilybodyfont[]{Source Code Pro}
newfontfamilythinfont[]{Source Code Pro ExtraLight}
newfontfamilyheadingfont[]{Source Code Pro Black}
% %
defaultfontfeatures{Mapping=tex-text}
setmainfont[Mapping=tex-text, Color=textcolor]{Source Code Pro Light}