error in my browser when i use nextaauth.js with .js

[Kostalaroche1]

i use .js but if i authentificate, i get this error on my browser : async (req, res) => {
if (res !== null && res !== void 0 && res.params) {
return await NextAuthRouteHandler(req, res, args[0]);
}
return await NextAuthApiHandler(req, res, args[0]);
}

i need help anyone could help me please