Error in 3D view

[FrancescoC]

Hi all,
I get this error in 3D view.
But the PCB is displayed perfectly.

I have checked the PCB Edge-Cut and cannot see anything wrong!
Can you help please.
Regards
FrancescoC

[pedro]

There should be two segments linked around the coordinates 71,6 ; 57.2 on the edges - cut layer.

Edit both segments and check if they indeed have an end at exactly that point.

[FrancescoC]

Hi Pedro,
thank you very much.
Yes I found the fault.
There was a small line under the edge-cut line. Could not see it!
I have been using KiCad for only six months now.
It takes time to learn it well.

Regards

FrancescoC

[paulvdh]

And yet again.
One of the many, many improvements of KiCad-nightly V5.99, which catches malformed PCB outlines:

And places an arrow marker at it’s location: