diff -r 3c9c1b18567b -r d9d249c4dfd2 includes/sessions.php
--- a/includes/sessions.php	Sat Aug 21 23:31:36 2010 -0400
+++ b/includes/sessions.php	Sat Aug 21 23:36:04 2010 -0400
@@ -3383,7 +3383,7 @@
 				{
 					// Action $type depends on action $deps[$i] which cannot be satisfied because $deps[$i] is out of scope.
 					// echo '<pre>' . enano_debug_print_backtrace(true) . '</pre>';
-					trigger_error("acl_check_deps: $type depends on {$deps[$i]} which is not within scope of $paths->namespace; this indicates a bug in ACL rule specification", E_USER_WARNING);
+					trigger_error("acl_check_deps: $type depends on {$deps[$i]} which is not within scope of $paths->namespace; this indicates a bug in ACL rule specification. Backtrace:<pre>" . htmlspecialchars(enano_debug_print_backtrace(true)) . "</pre>", E_USER_WARNING);
 					return false;
 				}
 				$deps = array_merge($deps, $this->acl_deps[$deps[$i]]);