diff --git a/webhooks/start/package.json b/webhooks/start/package.json
index fd97896..7b0d1af 100644
--- a/webhooks/start/package.json
+++ b/webhooks/start/package.json
@@ -14,6 +14,7 @@
     "body-parser": "^1.20.0",
     "dotenv": "^16.0.0",
     "express": "^4.18.1",
+    "fs.promises": "^0.1.2",
     "jose": "^4.8.1",
     "js-sha256": "^0.9.0",
     "jsonwebtoken": "^8.5.1",
diff --git a/webhooks/start/server.js b/webhooks/start/server.js
index b30470a..6c4a7b5 100644
--- a/webhooks/start/server.js
+++ b/webhooks/start/server.js
@@ -1,6 +1,6 @@
 "use strict";
 require("dotenv").config();
-const fs = require("fs/promises");
+const fs = require("fs.promises");
 const express = require("express");
 const bodyParser = require("body-parser");
 const moment = require("moment");
@@ -241,7 +241,7 @@ app.post("/server/receive_webhook", async (req, res, next) => {
 const errorHandler = function (err, req, res, next) {
   console.error(`Your error:`);
   console.error(err);
-  if (err.response?.data != null) {
+  if (err.response != null && err.response.data != null) {
     res.status(500).send(err.response.data);
   } else {
     res.status(500).send({