Collapse landmass blueprints

Hi all!
I have an old project made in UE5 and I want tu update it to UE5.4 but it crashes so after debuging for a while I think that the landscape is at fault. I used a heightmap, landmass blueprints and splines to sculpt it.

Is there a way to collapse the blueprints and splines so I have just the lanscape geometry and the deformations from the blueprints and splines embedded?

Thank you!