TDS_GID cannot be blank and merging job will fail without it.
I am attempting to do a merging campaign but anytime I attempt to I am told I need a TDS_GID which I found in the documentation is how merging jobs group tasks together but nothing on how I add it to a job. I havent used Talend before so I hope this is in the right place.
It seems you are trying to merge campaign tasks in the Data Steward and it creates a "blank" line in the GUI? Did you merge records that are duplicates in tMatchGroup based on Matching function?
Screenshots of your job will be helpful for us to address your issue.
