queryLoyaltyCoupons sample code shows error

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I am trying to find a specific loyalty coupon by its user-inputted confirmation code. I’ve made some minor modifications here, but even the unedited sample backend code from the Wix documentation shows the same error and will not run.

import { coupons } from "wix-loyalty.v2";
import { webMethod, Permissions } from "wix-web-module";
import { elevate } from "wix-auth";

const elevatedQueryLoyaltyCoupons = elevate(coupons.queryLoyaltyCoupons);

export const queryLoyaltyCouponByCode = webMethod(
  Permissions.Anyone,
  async (confirmationCode) => {
    try {
      // Build the query to filter by coupon reference code
      const query = {
        fieldsets: [],
        fields: [],
        sort: [],
        filter: {
          "couponReference.code": {
            "$eq": confirmationCode
          }
        }
      };

      const result = await elevatedQueryLoyaltyCoupons(query); //ERROR APPEARS HERE
      return result;
    } catch (error) {
      console.error('Error querying loyalty coupon:', error);
      throw error;
    }
  }
);

The API documentation including sample code can be found here.

The code will not run. There’s a red squiggly error marker under the word query with the message: " ‘await’ has no effect on the type of this expression. Expected 0 arguments, but got 1. "

Seems odd that even the Wix sample code has this error.

(Loyalty app installed and have had no problems with other API functions.)