Direct shape by geometry node error

Hello,
I would like to get formwork model from currently revit model so I have some problem for some surface when I get to formwork model.

The nodes say :

“Warning: DirectShape.ByGeometry operation failed.
At least one member of pGeomArr does not satisfy DirectShape validation criteria.
Parameter name: pGeomArr”

Could you please help me if you have an any idea ?

image