Could not convert to string

while($row = $database->fetch_object($languages)){	$options->cache($options->template);							/**	 * Works, echos out the correct items	 */	echo($row->shortname . '<br />');	echo($row->title . '<br />');								/**	 * Throws an error, Catchable fatal error: Object of class Template could not be converted to string in /home/sites/uvshock.co.uk/public_html/fenix/includes/class_template.php on line 42	 */	$options->replace('shortname', $row->shortname);	$options->replace('title', $row->title);}