Index: trunk/core/kernel/utility/temp_handler.php
===================================================================
diff -u -r4077 -r4287
--- trunk/core/kernel/utility/temp_handler.php	(.../temp_handler.php)	(revision 4077)
+++ trunk/core/kernel/utility/temp_handler.php	(.../temp_handler.php)	(revision 4287)
@@ -273,6 +273,10 @@
 			}
 		}
 		
+		if (!$ids) {
+			$this->savedIDs[$prefix.($special ? '.' : '').$special] = Array();
+		}
+		
 		return $this->savedIDs[$prefix.($special ? '.' : '').$special];
 	}