crash on startup

./start-tor-browser: line 271: [: 64: unary operator expected Fontconfig warning: "/home/tom/Downloads/tor-browser_en-US/Browser/TorBrowser/Data/fontconfig/fonts.conf", line 37: Use of ambiguous

element. please add prefix="cwd" if current behavior is desired. Fontconfig warning: "/home/tom/Downloads/tor-browser_en-US/Browser/TorBrowser/Data/fontconfig/fonts.conf", line 85: unknown element "blank" ./start-tor-browser: line 368: 3179 Segmentation fault (core dumped) TOR_CONTROL_PASSWD=${TOR_CONTROL_PASSWD} ./firefox --class "Tor Browser" -profile TorBrowser/Data/Browser/profile.default "${@}" < /dev/null

Trac:
Username: thisguythatguy