White Render VW2019

[Giulio]

Hello,

I started using VW 2019 today and, when trying to do a render in a viewport, the program elaborates the image ( I can see the rendered image almost ready) but, at the last second,  the end image is a white viewport. Essentially the program seems to work almost until the end when the viewport becomes blank. Only one time I managed to have a visible render. It never happened to me before (with VW2017 or 2018) and the SAME file opened by my colleagues works fine, so apparently is a problem of my Mac?

I already unistalled Vectorworks and re installed again. 

Any ideas? 

(I hope I've been clear enough 😅 )

Thanks!