Also it happens when I changed the length next to the Rhythm Generator in the inspector.
Resizing the phrase smaller does not seem to update the phrase length, with the rhythm generator showing 12 units even though I resized the phrase down to 8 or 4 units, maybe why a crash happens.
(Right now image embedding is broken, so right click on the broken image to open it in new tab, you should see the image in a new site)

