Index: trunk/core/units/relationship/relationship_event_handler.php
===================================================================
diff -u -N -r7391 -r7635
--- trunk/core/units/relationship/relationship_event_handler.php	(.../relationship_event_handler.php)	(revision 7391)
+++ trunk/core/units/relationship/relationship_event_handler.php	(.../relationship_event_handler.php)	(revision 7635)
@@ -65,7 +65,7 @@
 
 				$sql = 'SELECT ResourceId
 						FROM '.$this->Application->getUnitOption($target_prefix, 'TableName').'
-						WHERE '.$this->Application->getUnitOption($target_prefix, 'IDField').' = '.$target_id;
+						WHERE '.$this->Application->getUnitOption($target_prefix, 'IDField').' IN ('.$target_id.')';
 				$target_id = $this->Conn->GetOne($sql);
 				$target_type = $this->Application->getUnitOption($target_prefix, 'ItemType');
 
@@ -82,10 +82,10 @@
 					// place correct template in opener stack
 					$source_prefix = $this->Application->getUnitOption($event->Prefix, 'ParentPrefix');
 					$template = $this->Application->getUnitOption($source_prefix, 'AdminTemplatePath').'/relations_edit';
-					
+
 					$redirect_params = Array($event->Prefix.'_event' => 'OnNew', 'target_id' => $target_id, 'm_opener' => 's', 'target_type' => $target_type);
 					$this->Application->EventManager->openerStackPush($template, $redirect_params, 'all,'.$event->Prefix);
-					
+
 //					$event->SetRedirectParam('popup_stay', 1); // if popup mode, then set this
 				}
 			}
@@ -236,7 +236,7 @@
 					$prefix = 'c';
 				}
 				if (!$this->Application->prefixRegistred($prefix)) continue;
-				
+
 				$configs[$prefix] = $this->Application->getUnitOptions($prefix);
 				if($configs[$prefix] === false) unset($configs[$prefix]);
 				if(!isset($configs[$prefix]['CatalogItem']) || !$configs[$prefix]['CatalogItem']) unset($configs[$prefix]);