plane/space/pages/project-not-published/index.tsx

// next imports
import { observer } from "mobx-react-lite";
import Image from "next/image";
// helpers
import { EPageTypes } from "@/helpers/authentication.helper";
// hooks
import { useInstance } from "@/hooks/store";
// wrappers
import { AuthWrapper } from "@/lib/wrappers";
// images
import projectNotPublishedImage from "@/public/project-not-published.svg";

const CustomProjectNotPublishedError = observer(() => {
  // hooks
  const { instance } = useInstance();

  const redirectionUrl = instance?.config?.app_base_url || "/";

  return (
    <AuthWrapper pageType={EPageTypes.PUBLIC}>
      <div className="relative flex h-full min-h-screen w-screen items-center justify-center py-5">
        <div className="max-w-[700px] space-y-5">
          <div className="flex flex-col items-center gap-3 text-center">
            <div className="relative h-[240px] w-[240px]">
              <Image src={projectNotPublishedImage} layout="fill" alt="404- Page not found" />
            </div>
            <div className="text-xl font-medium">
              Oops! The page you{`'`}re looking for isn{`'`}t live at the moment.
            </div>
            <div className="text-sm text-custom-text-200">
              If this is your project, login to your workspace to adjust its visibility settings and make it public.
            </div>
          </div>

          <div className="flex items-center justify-center text-center">
            <a
              href={redirectionUrl}
              className="cursor-pointer select-none rounded-sm border border-gray-200 bg-gray-50 p-1.5 px-2.5 text-sm font-medium text-gray-700 transition-all hover:scale-105 hover:bg-gray-100 hover:text-gray-800"
            >
              Go to your Workspace
            </a>
          </div>
        </div>
      </div>
    </AuthWrapper>
  );
});

export default CustomProjectNotPublishedError;