macos11.6.1 ，pr13。
Posted: Thu Dec 16, 2021 9:22 am
There is no GPU device which is selected...
You also need to enable the Tonemap option, or the render cannot start, but you cannot use PR13 under Big Sur, it works only under macOS 12.1 Monterey.
You need PR11 under macOS 11.6.1 Big Sur.
ciao,
Beppe