What to do when Shortcodes Ultimate plugin stops working

Shortcodes Ultimate version is 4.9.9

It has just stopped working. Can’t make carousel, slider, columns that allow me to control spacing, tables. Probably other stuff too — I just gave up.

Thanks for any help you can provide.

My URL is http://www.dentondemocrats.org/

Margaret

https://ww.wp.xz.cn/plugins/shortcodes-ultimate/