ProBuilder-made object not generating Nav Mesh (Unity3D)

Hello everyone!
I made a house with proBuilder which my player can use normally, but for some reason it doesn´t generate any navMeshSurfaces. Of course I baked it and I have some experience, but it just doesn´t work, also with normal objects (Like the cube from create → 3D object → Cube). Images:

alt text

alt text

Did you make sure your ground was a static object?