Index: branches/unlabeled/unlabeled-1.43.2/admin/install/install_lib.php
===================================================================
diff -u -r6038 -r6044
--- branches/unlabeled/unlabeled-1.43.2/admin/install/install_lib.php	(.../install_lib.php)	(revision 6038)
+++ branches/unlabeled/unlabeled-1.43.2/admin/install/install_lib.php	(.../install_lib.php)	(revision 6044)
@@ -1058,6 +1058,15 @@
 				 WHERE ParentPath LIKE "'.$root_parent_path.'%" AND ItemTemplate != "" AND ItemTemplate IS NOT NULL');
 
 		foreach ($current_item_tpls as $a_cat) {
+			$has_cdata = $application->Conn->GetOne(
+									'SELECT CustomDataId FROM '.TABLE_PREFIX.'CategoryCustomData
+									 WHERE ResourceId = '.$a_cat['ResourceId']);
+
+			if (!$has_cdata) {
+				$query = 'INSERT INTO '.TABLE_PREFIX.'CategoryCustomData (ResourceId) VALUES ('.$a_cat['ResourceId'].')';
+				$application->Conn->Query($query);
+			}
+
 			$query = 'UPDATE '.TABLE_PREFIX.'CategoryCustomData
 								SET '.$item_t_customfield.' = '.$application->Conn->qstr($a_cat['ItemTemplate']).'
 								WHERE ResourceId = '.$a_cat['ResourceId'];