Plugin: WP UI – Tabs, etc. not working after changing the Site URL in WordPress

The plugin “WP UI – Tabs, Accordions, Sliders” was working fine. My website was https://www.certsys.com/wp/ I wanted to switch the sites URL to have it just show up as https://www.certsys.com. I followed the article that WordPress link to on how to do this. Site URL is https://www.certsys.com and the WordPress Address is https://www.certsys.com/wp/ All my other plugins are working fine (granted I don’t use very many). As soon as I made that change, UP UI – Tabs… plugin stopped working all together. The tabs don’t show up on the website and I can’t make any changes to the settings of the plugin (Settings -> WP UI). If I try to change something it just scrolls to the top of the screen, in the plugins settings page. I have tried uninstalling it and reinstalling it, including deleting the files. Same issue. I have looked through the code of many of the files to see if I could spot something, but nothing arose from that. If I switch the Site URL back to https://www.certsys.com/wp/ it will work. Looses all my custom settings for it, but it at least shows the tabs again in the default settings. I am assuming that there must be a link somewhere that is telling the plugin to look at the /wp/ folder but I don’t know where it is. I have been working on this issue for a couple weeks now. Any help is much appreciated.