Symptoms:
Using the SDL TMS API through CTA, multiple L10NComplete messages for the same task causes a silent failure and doesn't move the job on in the workflow.

Explanation:
The duplicate messages were not handled correctly and threw a silent error which terminated processing of all subsequent messages.

Resolution:
Duplicate messages are now ignored.

SDL-hosted customers should contact SDL Support to arrange for this hotfix to be deployed.

Customers who host SDL TMS themselves should download the installer for SDLTMS12.1 Hotfix for CRQ-11562.exe from the following FTP site: ftp://ftp-emea.sdlproducts.com/SDL TMS/12.1/Hotfix/