I cannot merge IDs between 2 accounts
Hello, I found someone's tree and realized that he (a creator) is a grandson of my 4Xgreat granfather. Once creating my own tree, I added 4xgreat grandfather name but it wasn't found anywhere... so that I had to create his new profile. Now, there are two of the same person. When I try to merge IDs from grandson's tree and my tree, FamilySearch cannot find it. What's happened here? :( I tried many times to add IDs.