ProductMap.cs

public class ProductMap : EntityTypeConfiguration<Product>
    {
        public override void Map(EntityTypeBuilder<Product> builder)
        {
            builder.HasKey(x => x.Id);
            builder.Property(x => x.Id)
                .HasValueGenerator<GuidValueGenerator>()
                .ValueGeneratedOnAdd()
                .IsRequired();
            //Removed other mappings
         }
    }