Save builds problems

Yesterday was over when I went to a store base and the adv duplicator failure.
When applied to the server fails too many welds

Know ways to save your mega building safely?

Parenting might help in a situation like this. There are many tools on garrysmod.org for parenting, go check it out!

I suppose you mean this http://www.garrysmod.org/downloads/?a=view&id=69479
I need to paste in comfort as the Smart weld… But if i set very welds i see lua errors and cant save it with adv duplicator