/usr/local/tropo/tro/tro_php.rb:227:in `gsub': invalid byte sequence in UTF-8 (ArgumentError)<br />
	from /usr/local/tropo/tro/tro_php.rb:227:in `intropo'<br />
	from /usr/local/tropo/tro/tro_php.rb:264:in `getropo'<br />
	from /usr/local/tropo/tropo.rb:62:in `serve'<br />
	from /usr/local/tropo/tropo.rb:210:in `<main>'<br />