strange artefacts after bake Light and Shadow > Vertex > Ambient Occlusion

[Matthias.wg]

Hi there,

really don't know why this happens. I tried everything and played around with the minimum, maximum value, but nothing fix this problem. Why there are these strange artefacts? 
The tesselation is good, there are no double surfaces underneath, normal direction is green. So should be fine...

[seiferp]

Should be fine yes, don´t know. Can you export that piece of geo. and share?

[Matthias.wg · Accepted solution]

I reimported the geometries and the artefacts are gone. You can delete my thread. Thank you for your response @seiferp !