Stop wizard execution if access denied for issue1491

tryton/wizard/main.py

@@ -188,7 +188,10 @@ class Wizard(object):
                 res = rpcprogress.run()
             except Exception, exception:
                 common.process_exception(exception, parent)
-                # Continue by running previous result
+                # Continue by running previous result except if access to
+                # wizard is denied
+                if exception.args[0] == 'AccessDenied':
+                    break
             if not res:
                 if dia:
                     res = {'type': 'form'}