Plug-in appears to site after WordPress 6.1 update

I am running 11.4.2 of this plug-in and have done so for a long time. However, when I updated to WordPress 6.1 today, it appears to have broken my site. I was getting a “page not found” error on every single page of the site. When I de-activted this plugin, the error went away and I was able to access pages without any problems. Is there a compatability issue with the plugin?

Thanks!