--- a/lib/common.inc.php
+++ b/lib/common.inc.php
@@ -13,7 +13,7 @@
 //    $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
 function databaseError($errMsg)
 {
-	die($errMsg);
+	die(print_r($errMsg,true));
 }
 
 function ucsmart($str) {
@@ -57,7 +57,7 @@
 $year = filter_var($_REQUEST['year'], FILTER_SANITIZE_NUMBER_INT);
 if ($year != "") $yearQ = "YEAR(publishDate) = " . $year . " AND ";
 
-$standardQ = ' "childCN" = 0 '; // AND YEAR(contractStart) >= 2007 AND YEAR(contractStart) <= 2010';
+$standardQ = ' "childCN" is null '; // AND YEAR(contractStart) >= 2007 AND YEAR(contractStart) <= 2010';
 $start =0.0;
 
 function include_header($title) {