blue ground

I don’t think this is looks right. When I took the boat trip for the first time it looks like I’m walking on water all the ground is blue I turned the game off and loaded it again but it’s still the same and I don’t know if it helps or not but I’m playing on the switch

I am a switch player, so when the new update came out of course I made a new file so I could experience it. I just got to the new island and it's mostly fine. Except for the North path that leads to the volcano. It's blue. Not everything, just the ground is blue. No textures show, though the...