postgres is strict about variable type

app.js

@@ -60,13 +60,10 @@ Contact.sync();
 
 const User = sequelize.define('User', {
     telegram: {
-        type: DataTypes.STRING,
+        type: DataTypes.INTEGER,
         allowNull: false,
         unique: true,
     },
-    hash: {
-        type: STRING,
-    },
     verification: {
         type: DataTypes.STRING,
     },
@@ -185,7 +182,10 @@ function addContact(telegram, withUserID, done) {
             Contact.create({ user: user.id, with: withUserID })
                 .then(res => {
                     console.log(`Registering contact between ${user.id} and ${withUserID}`);
-                    sendTelegramMessage(withUser.telegram, "Someone scanned your QR code. You will be notified if they are tested positive with Covid. If you are tested positive, please tell this bot /COVIDPOSITIVE");
+                    sendTelegramMessage(withUser.telegram,
+                        "Someone scanned your QR code. You will be notified if they are tested positive with Covid. If you are tested positive, please tell this bot /COVIDPOSITIVE",
+                        () => {}
+                    );
                     done(true, "Successfully added contact");
                 })
                 .catch(e => {
@@ -241,11 +241,8 @@ app.use(session({
 app.use(cors({ credentials: true, origin: true, secure: true }));
 app.use(express.json())
 
-setTelegramWebHook(() => { });
+setTelegramWebHook(() => {});
 app.post(`/${process.env.TELEGRAM_SECRET}`, (req, res) => {
-    if (req.body.message) {
-        sendTelegramMessage(req.body.message.chat.id, `${req.body.message.text.toUpperCase()}`, (res) => { console.log(res) });
-    }
     res.send();
 });