Hello everyone. Please help me solve the problem.
I think Marmoset is broken or I did something wrong. I needed to replace a small detail on the UV set. I deleted the old mesh, added a new one (LP and HP), manually placed islands on the UV set in place of the old islans, baked the Normal map, and noticed that the new mesh did not change, hard edges remained. Examining Normal map, I noticed that the gradients are very dull, why is that? Could this be the reason why this mesh is not baking?