Authentication with auth0

hello, Professor Mandi Wise wrote a book <<Build a Distributed GraphQL API with
Apollo Federation 2 and Apollo Server>>, I try to update the code of the chapter account, but I got the error message:"
return new _GraphQLError.GraphQLError(Syntax Error: ${description}, {
GraphQLError: Syntax Error: Expected Name, found “(”.
at syntaxError (C:\Users\takayama\Desktop\auth3\accounts\node_modules\graphql\error\syntaxError.js:15:10)
at Parser.expectToken …
I am not able to continue to update it, if anybody can resolve the mistake of coding for the updating, please help me, thank you very much. the code is the following: