BRAW - and update sidecar button, crash

Hi, just tried it today.
15.1, database on server, media on Xsan. Clip set to clip-metadata, changed iso to 1600, hitting the update sidecar, and my computer goes complete black, and restarts....
Scary.
I'm on mac 10.13.6.
15.1, database on server, media on Xsan. Clip set to clip-metadata, changed iso to 1600, hitting the update sidecar, and my computer goes complete black, and restarts....
Scary.
I'm on mac 10.13.6.