media management crash transcode with handles

When selecting transcode to DNXhR HQx with handles davinci crashes. Transcoding all clips seems to work fine. It does some FL captures and then crashes. I am using a Scarlett solo without a driver installed (because in previous versions I couldn't get it to work with DR.

What are your source files?

Mostly H.274 UHD with aac sound + some mxf Dnxhr

I suppose you are referring to H.264. Out of a camera?