Landscape Problem

Hello, Could someone please help me with this? Tried deleting the tiles and re-adding them to no avail.

unreal_problem

Hey there @DrStevieB! Welcome to the community! Looks like you might be working from the open world test map! It has an Unreal Logo layer in the center that causes this, and an inverted one on the second layer. Hide each layer on and off respectively to see it. If you used those layers you may need to smooth over it, or even just delete the one you’re not using.