Cubase Artist 8.5 crashes after groove agent loading


This is second time Cubase 8.5 crashes within a month. Last time it was after adding instrument track ( dont remember which instrument )and this time i added groove agent and cubase crashes. Interesting stuff here -there is no bak file but my settings have 15mins autosave already. I am using macbook 10.11.6. Is this known error? Anyone faces this issue?