I am using Vienna Ensemble Pro 7.0.807 and cannot save using the Shift-Command-S keyboard shortcut. Here is a video reproducing the issue:
https://drive.google.com/open?id=1-pFYQctx-qqvcJCgTJobCiEHrGtIXEdR
What am I missing here? Do I have to go to the file menu to save every time?
I'm on a 2012 Mac Pro 10.13.6 2x3.46 GHz 128 GB RAM.