ADV DUP2 Problem error !

Hi,
We started a server with friends but the advance duplicator 2 return an error :

[AdvDupe2Notify] Pasting…
[AdvDupe2Notify] addons/advduptwo/lua/advdupe2/sv_clipboard.lua:1022: attempt to perform arithmetic on field ‘SpawnRate’ (a nil value)
Warning: Unhandled usermessage ‘Undone’
[AdvDupe2Notify] Finished Pasting!

I have this addon on my server : http://steamcommunity.com/sharedfiles/filedetails/?id=268799573

So, wanna know if someone have an idea about the reason or maybe the solution.
Thanks .

Can you post the code that is erroring?

Huh ?

I have this error for all prop/creations :

[AdvDupe2Notify] Pasting…
[AdvDupe2Notify] addons/advduptwo/lua/advdupe2/sv_clipboard.lua:1022: attempt to perform arithmetic on field ‘SpawnRate’ (a nil value)
Warning: Unhandled usermessage ‘Undone’
[AdvDupe2Notify] Finished Pasting!


addons/advduptwo/lua/advdupe2/sv_clipboard.lua:1022

That code. Also, does it happen with all dupes or just a specific one?

All dupe, for me (super Admin) and my friend…