diff --git a/package-lock.json b/package-lock.json
index e14fefb..28f6d37 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12782,7 +12782,6 @@
       "version": "2.0.15",
       "resolved": "https://registry.npmjs.org/react-qr-code/-/react-qr-code-2.0.15.tgz",
       "integrity": "sha512-MkZcjEXqVKqXEIMVE0mbcGgDpkfSdd8zhuzXEl9QzYeNcw8Hq2oVIzDLWuZN2PQBwM5PWjc2S31K8Q1UbcFMfw==",
-      "license": "MIT",
       "dependencies": {
         "prop-types": "^15.8.1",
         "qr.js": "0.0.0"
diff --git a/src/Layout/Dashboard/QrCodeModels.tsx b/src/Layout/Dashboard/QrCodeModels.tsx
index 72b1b48..88844b9 100644
--- a/src/Layout/Dashboard/QrCodeModels.tsx
+++ b/src/Layout/Dashboard/QrCodeModels.tsx
@@ -42,7 +42,7 @@ const QrCodeModels: React.FC<ModalFormProps> = ({
 
       <main className="main_modal">
         <div className="ValidationField w-100 mb-5 ">
-          <QRCodeGenerator url = {`https://nerd-back.point-dev.net/api/students/question`} serial={objectToEdit.serial}/>
+          <QRCodeGenerator url = {`https://nerd-back.point-dev.net/api/students/question`} serial={objectToEdit?.serial}/>
         </div>
       </main>
     </Modal>