why the landscape´texture disappear in the front of the object?

Hello,
I present some problems into the landscape of my project design, in the front of the object disappear the texture but in some of them remains a pieces of the ground. In the back of the object keep all the texture of the ground.
How i can solve this problem?
Prueba 1
Prueba 2

Hi @Arian_001

That looks like you are below the landscape at that point.

Whatever you are using to move around isnt following rhe landscape. At a guess you have no character and that you are flying the default scene view camera ehich will fly through everything