kohaclone# make
"/usr/bin/perl" build-resources.PL
Can't exec "yarn": No such file or directory at build-resources.PL line 36.
Can't exec "yarn": No such file or directory at build-resources.PL line 39.
make: *** No rule to make target 'koha-tmpl/intranet-tmpl/prog/css/calendar.css', needed by 'pm_to_blib'.  Stop.