--- cacti/lib/functions.php~	2008-10-05 06:16:11.000000000 +0300

+++ cacti/lib/functions.php	2008-10-05 06:16:13.069722888 +0300

@@ -437,6 +437,9 @@

 	if (file_exists($file_name)) {

 		$fp = fopen($file_name, "r");

+		if (!$fp) {

+			return $file_array;

+		}

 		/* reset back the number of bytes */

 		if ($number_of_lines > 0) {