error with default value when using dump schema db from postgres about dbml HOT 2 CLOSED

CREATE TABLE public.users (
    username character varying NOT NULL,
    hashed_password character varying NOT NULL,
    full_name character varying NOT NULL,
    email character varying NOT NULL,
    password_changed_at timestamp with time zone DEFAULT '0001-01-01 00:00:00+00' NOT NULL,
    created_at timestamp with time zone DEFAULT now() NOT NULL
);