Update (19 Nov, 10:27 AM UTC): We have now re-enabled the loot tickets. Please update your game!
Loot Tickets have been temporarily disabled due to an issue in the new update. This means using any Loot Tickets will result in an error message stating "Temporarily Unavailable". Please note that you do not lose any Loot Tickets due to this. We are working on a fix that will be included in a new update that we are hoping to roll out as quickly as possible.
Our apologies for the issue and thank you for your understanding!