diff --git a/packages/features/bookings/lib/getCalEventResponses.ts b/packages/features/bookings/lib/getCalEventResponses.ts
index a3360b6ee7..f11642998a 100644
--- a/packages/features/bookings/lib/getCalEventResponses.ts
+++ b/packages/features/bookings/lib/getCalEventResponses.ts
@@ -6,9 +6,12 @@ import type { bookingResponsesDbSchema } from "@calcom/features/bookings/lib/get
 import { contructEmailFromPhoneNumber } from "@calcom/lib/contructEmailFromPhoneNumber";
 import { getBookingWithResponses } from "@calcom/lib/getBooking";
 import { HttpError } from "@calcom/lib/http-error";
+import logger from "@calcom/lib/logger";
 import { eventTypeBookingFields } from "@calcom/prisma/zod-utils";
 import type { CalendarEvent } from "@calcom/types/Calendar";
 
+const log = logger.getSubLogger({ prefix: ["[getCalEventResponses]"] });
+
 export const getCalEventResponses = ({
   bookingFields,
   booking,
@@ -38,18 +41,23 @@ export const getCalEventResponses = ({
   const calEventUserFieldsResponses = {} as NonNullable<CalendarEvent["userFieldsResponses"]>;
   const calEventResponses = {} as NonNullable<CalendarEvent["responses"]>;
   const parsedBookingFields = bookingFields ? eventTypeBookingFields.parse(bookingFields) : null;
+
   const backwardCompatibleResponses =
     responses ?? (booking ? getBookingWithResponses(booking).responses : null);
   if (!backwardCompatibleResponses) throw new Error("Couldn't get responses");
 
   // To set placeholder email for the booking
   if (!!!backwardCompatibleResponses.email) {
-    if (typeof backwardCompatibleResponses["attendeePhoneNumber"] !== "string")
+    if (typeof backwardCompatibleResponses["attendeePhoneNumber"] !== "string") {
+      log.error(`backwardCompatibleResponses: ${JSON.stringify(backwardCompatibleResponses)}`, {
+        responses,
+        bookingResponses: booking?.responses,
+      });
       throw new HttpError({
         statusCode: 400,
         message: "Both Phone and Email are missing",
       });
-
+    }
     backwardCompatibleResponses.email = contructEmailFromPhoneNumber(
       backwardCompatibleResponses["attendeePhoneNumber"]
     );