diff -r 3907f10efcf4 -r 3d8c87ab2b5d IDEFrame.py
--- a/IDEFrame.py	Fri May 31 09:07:23 2013 +0200
+++ b/IDEFrame.py	Fri May 31 10:38:46 2013 +0200
@@ -2027,7 +2027,7 @@
                         editor.SubscribeAllDataConsumers()
                 elif editor.IsDebugging():
                     editor.SubscribeAllDataConsumers()
-            self.DebugVariablePanel.UnregisterObsoleteData()
+            self.DebugVariablePanel.UnsubscribeObsoleteData()
     
     def AddDebugVariable(self, iec_path, force=False):
         if self.EnableDebug: