def error(request, message, extra_tags='', fail_silently=False):
    add_message(request, constants.ERROR, message, extra_tags=extra_tags,
                fail_silently=fail_silently)
Delete a user in the system
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/contrib/messages/api.py/error--crossover with--dataset/ETHPy150Open CiscoSystems/cognitive/cognitive/app/api/users.py/UserViewSet.destroy