Diesel Tool System.ArgumentOutOfRangeException...

For some reason, when I try to export the com_prop_jewelry_tiara.model or the com_prop_jewelry_display_jewel_2_b.model, i get this stupid error...
[attachment=444]
Does anybody know how to fix it or avoid it?
Add Objects option on?
What yo're trying to do?
It seems the Model Tool error for certain asset only.. Which means you cant do anything about it :(