В чем ошибка? JavaScript

Const mineflayer = require('mineflayer')

const bot = mineflayer.createBot({
host: 'ngrief.su',
port: 25565,
username: 'chatbot228',

version: '1.12.2'
})

function goserver() {
bot.chat("/server5")
}

function mes (message2) {
console.log('chat ' + message2)
if (message2.startsWith(' Решите пример: ')) {
const primer = ( message2.replace(/^ Решите пример: \s*/i, "") )
console.log('PRIMER ' + primer)
}
}

bot.on('message', (position, jsonMsg) => {
console.log(jsonMsg + ' ---' + position)
const massage2 = [position]
mes(massage2)
})

bot.once("spawn", () => {
goserver()
setInterval(goserver, 60000);
})