Symptoms:
When you try to generate an SDL Trados Studio translation kit from WorldServer Explorer or by using the Generate Translation Kit automatic action, the translation kit is not generated and the "Invalid task id: -1" message is displayed.

Resolution:
You can fix this issue by deploying the update to WorldServer 11.1.0, available on FTP.

If you cannot deploy it, connect to the Customer Support Web Portal and log a case. You need an account to log a case. If you do not have an account, contact your company's SDL Support Account Administrator.

Note:
This update is compatible with WorldServer 11.1.0 CU7.