Manifold Error - CATIA V5 GSD

Hello

After having achieved axial symmetry, I want to "assemble" my sketch to make a single block in order to make a multi-section surfacing. I have "Manifold error" displayed. Error in PC.

do you know how to solve this on Catia V5? Thank you in advance.


erreur_de_manifold.png

Hello you can try in the sketcher Tools / sketch analysis workshop

Thank you very much Franck for all these answers I will try!!