Broken line changes

All year I’ve been dealing with this stupid like change glitch, I try to put my 3rd line out and one of my 4th liners comes out same when I try put my 4th other times completely random players come out on the ice all from different lines and this is frustrating as hell as it messes up my rotations I have no idea how they haven’t fixed this issue yet it’s been a big issue I’ve seen many people complain about all year already I even have footage but I can’t post it here that I will send in to ea