Index: branches/unlabeled/unlabeled-1.17.2/core/kernel/utility/event.php
===================================================================
diff -u -r7642 -r7803
--- branches/unlabeled/unlabeled-1.17.2/core/kernel/utility/event.php	(.../event.php)	(revision 7642)
+++ branches/unlabeled/unlabeled-1.17.2/core/kernel/utility/event.php	(.../event.php)	(revision 7803)
@@ -302,6 +302,9 @@
 			}
 			
 			if (!$section) {
+				if ($this->Application->isDebugMode()) {
+					$this->Application->Debugger->appendTrace();
+				}
 				trigger_error('Permission <b>section</b> not specified for prefix <b>'.$top_prefix.'</b>', E_USER_ERROR);
 			}
 			return $section;