import { GraphQLError } from "https://dotland.deno.dev/x/graphql_deno@v15.0.0/lib/error/GraphQLError.js";
A GraphQLError describes an Error found during the parse, validate, or execute phases of performing a GraphQL operation. In addition to a message and stack trace, it also includes information about the locations in a GraphQL document and/or execution result that correspond to the Error.