hello, I have a list of unique IDs I wanted to split in to 2 groups, each groups gives the customers a certain offer. what I did I created a split node to have group 1 is "data 5", group 2 "data 20", and created two campaigns, and use a link to have group 2 users, the thing is when I executed the campaigns I found duplicates between the two groups why I'm facing this, it is highly impotent to my campaigns to not have duplicates.
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