If you get this "All licenses are currently in use, try again later"
Make sure you don't have open windows with Trados Live.
It takes 5 minutes for the Trados Live license to be freed if you close the browser.
1 Trados Studio license gives you 3 Trados Live licenses
1 is used for connection from Trados Studio to Trados Live
1 is used for conecting to Trados Live in a browser
1 is used for the Trados Live Terminology feature in Studio
Wait for 5 minutes and try again.
See Knowledge Article: