NextGEN Gallery integration is broken

“Fatal error: Call to a member function get_slide_defaults() on a non-object in /home4/markor91/public_html/mukarramsousli.com/wp-content/plugins/cyclone-slider-2/src/CycloneSlider/NextgenIntegration.php on line 170”

when I import a gallery it shows me this page and it doesn’t work.

https://wordpress.org/plugins/cyclone-slider-2/