Version 4.19.2 Runner Floor Tiles Spawning On Top of Each Other?

We are having problems of our Floor Tiles spawning on top of each other. We have went through the video

through the comments and cannot fix this issue. I used the same video tutorial last year but had a lesser version and it worked fine. In 4.19.2 we are having an issue with it.

Does anyone have an answer for the 4.19.2?