Invalid geometry detected. Edges overlap or intersect at non-end points.

I get this error from generate Mesh but  decsg is working with out error and the geometry is created. Could you please let me know if you know why I get this error.

[KSSV]

With out giving your code, how it is possible to sort your error?

[Kaveh Gharibi]

yes, that is right. I should have provided more information. thank you.