Bug / Crash Exceptions using custom meshes

[JoeKer]

Hello,
I bought the Obi package today. I'm having some problems setting up the clothes. 
The first exception I get is when, after creating the topology mesh, I click on the initialize button. This is the exception I get




Despite the exception, it seems that the cloth gets initialized but if I click on the Edit Particles button I get this other exception



Note that I've tried the exact same process on a Sphere and I don't get any error so I think that it might be the specific meshes I'm using that are creating troubles.
Is there a limit to the number of vertices within a mesh that I need to respect?

Thanks in advance for your help.