Fix yet another problem in SCCD_execute

models/SCCD_execute.alc

@@ -222,7 +222,7 @@ Element function get_enabled_transitions(model : Element, state : String, data :
 			set_add(event_names, evt_name)
 			dict_add(event_parameters, evt_name, set_create())
 		// Add event parameters
-		set_add(event_parameters[evt_name], list_read(evt, 1))
+		set_add_node(event_parameters[evt_name], list_read(evt, 1))
 
 	while (set_len(to_filter) > 0):
 		transition = set_pop(to_filter)