I see this error with the app, reported by NextJS, please fix it. The er

src/auth.ts

@@ -2,4 +2,8 @@
 import NextAuth from 'next-auth';
 import { authConfig } from './auth.config';
  
-export const { handlers, auth, signIn, signOut } = NextAuth(authConfig);
+export const runtime = "nodejs";
+
+const { handlers, auth, signIn, signOut } = NextAuth(authConfig);
+
+export { handlers, auth, signIn, signOut };