When I am following this guide I was setting up the pathing just fine. Was following along great. When it wants me to make a curved path suddenly it didnt appear to be doing anything. I saw on the comments elsewhere for a YouTube video on this here but I was then noticing when my path is being created. The points dont seem to follow any real structure. They are being places below the grid map. Not all of them, the final one seems to be above but they are all at different depths.
I had to go through and manually pull them up from below the grid and try to make them align properly. It was a struggle to figure this part out restarted the program and deleted my pathing a few times
(Using 4.2.2)