NextJS Build Fail with createAuthClient

import { createAuthClient } from "better-auth/client";
import { NextRequest, NextResponse } from "next/server";

const client = createAuthClient()

export async function middleware(request: NextRequest) {
    const { data: session } = await client.getSession(
        {
            fetchOptions: {
                headers: {
                    cookie: request.headers.get("cookie") || "",
                },
            }
        }
    );
    if (!session) {
        return NextResponse.redirect(new URL("/", request.url));
    }
    return NextResponse.next();
}

export const config = {
    matcher: ["/dashboard"],
};