An Emergency Update Code is required when you update your Tsplus installation without a valid subscription to our Support and Update Services. 

If your subscription expired, please renew it and activate your new support.lic file before updating to the latest version of the software

Make sure to keep your subscription to support up to date in order to have access to all of its features. 

You can  renew your support subscription on our store : 

More informations on how to activate your support in TSplus here :