multi mesh crash in using load kangaroo

hi everyone

 i have prob with working kangaroo in my project,i'm using voronoi 3D as strucutre in my project,and i place surface as floor in each height,then i start using kangoroo as shell between structure,but i have some problem in try to a curve (Voronoi) on a surface but there is a problem when i want to define srfs and convert to mesh adn anchor points.when i click start everything goes fine,but suddenly some of them disappear.

Hope this helps. Best regards,