foreach() error when using php code array

I’m using some code and include a config file that holds an array.

I every time get an error on the following foreach() and I can’t get rid of it.

Am I using an not allowed WP-variable ?

function renderTLDList()
{
	global $domainInfo;
	?>
	<select name="tld" size="1">
	<?
	foreach($domainInfo as $tld => $attribs)
	{
		print "<option value=\"".$tld."\"";
		if($_POST['tld'] == $tld)
			print " selected";
		print ">".$tld."</option>\n";
	}
	?>
	</select>
	<?
}

Is there a reason for this specific error ?