Bulk Smush not working (button not responsive)

On Media/WPSmush the bulk smush button does not work (one/repeated clicks do nothing and the status bar doesn’t move). I have only 86 images, have turned on Smush Originals, Super Smush, NextGen Intgn, and Backup Origs. I am using X theme, with plugins installed: Autoptimize, Cornerstone (part of X), OptinMonster, RevSlider, Stream, WPMediaFolder, X-custom 404, X-SmoothScroll, and Yoast SEO. please advise