I saved my project, but it was never actually saved. Because?

[luhpatez (Lucas Patez)]

Have you seen this?
Maybe it needs to be build for saving, like the lights.

UE5: "Landscape Physical Material Needs to be Rebuilt"

Hello everyone. I have run into this concern as well. I found that if I go to Build>Build All Landscape, I can resolve the ‘physical material needs to rebuilt’ error. [Landscape] I wish you the best in your world building.