Kind tParams = Assure; export default async purpose Challenge( params : params: tParams ) const slug = await params; const productID = slug[one]; // other code listed here It looks like the type for params is triggering issues, quite possibly simply because Future.js expects a special composition for params. A https://alphawireless.com/future-proofing-american-utilities-why-900-mhz-is-critical-for-utility-communications/