Solution for error Token Expired or Invalid Timestamp
The issue arises when you're system time is out of sync with real-world time. For example the current time is 10:15am and your system time is 7am.
In order to resolve it, follow the steps below.
On your keyboard, press the key combination Windows Key + R, you will see a new prompt popup, from here type timedate.cpl and press enter
You should now see a new window appear called 'Date and Time', from here select 'Internet Time' and press 'Change Settings'
Check the 'Synchronize with an Internet time server' box and then press 'Update Now', when done you can press Ok to dismiss all the windows.
If the above steps were performed correctly then you can go ahead and open your bot and should be able to sign in without any further issues.