ProxyError.cs

void Main()
{
	var _mapperConfiguration = new MapperConfiguration(cfg => {
		cfg.CreateMap(typeof(NodeDto<>), typeof(NodeModel<>));
		cfg.CreateMap(typeof(NodeDto<>), typeof(INodeModel<>));
		cfg.CreateMap(typeof(INodeModel<>), typeof(NodeModel<>));	
	});
	
	var dto = new NodeDto<int> { ID = 13, Name = "Hi" };
	
	var obj = _mapperConfiguration.CreateMapper().Map<INodeModel<int>>(dto).Dump();
}

public interface INodeModel<T>
where T : struct
{
    T? ID { get; set; }
}

public interface INodeModel
{
    object ID { get; set; }
    string Name { get; set; }
}

public class NodeModel<T> : INodeModel<T>, INodeModel
 where T : struct
{
    public T? ID { get; set; }
    public string Name { get; set; }

    object INodeModel.ID
    {
        get
        {
            return ID;
        }

        set
        {
            ID = value as T?;
        }
    }
}

public class NodeDto<T> where T : struct
{
    public T? ID { get; set; }
    public string Name { get; set; }
}