Cubase freezes when exporting

Cubase pro 12 freezes on Mac when exporting audio. I had the same problem with cubase 11. I tested my RAM, all good. My hard disks are good ssd. What is going on? Somebody help pls

Experiencing the same, Cubase 12, 12.0.2 and Cubase 11.
On Mac OS 11.1 Big Sur

No reply yet from Steinberg. Quite dissapointing!