I also didn’t change anything, and the duplication error appears to be fixed. I do use Cloudflare, so it could have been that.
@avalynnc interesting. I don’t have that plugin on my site, but I still have this issue. So I’m guessing some part of the Duplicate Page plugin can cause conflicts with some other plugins, for some reason. I’ll try disabling my plugins one by one and see what I can find.
I’ve got the same issue, and I’m not clicking twice either. Please fix!
I’ve also got a problem with this shortcode. Every page using the [toc] shortcode is now showing the error message “The site is experiencing technical difficulties”.