Weird shadows caused by AO

Hello, i’m new to UE4 and i’m trying to do a little Archviz scene. So i getting some strange shadows in corners caused by AO from Post Process Volume. Already tried to increase the lightmap resolution and others lights configurations. The shadows seems to have some kind of noise. Any idea of how fix that?

Screenshot with AO

AO turned off


Raytraced AO. Increase the samples or turn it off.

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Thank you so much, solved my problem!