Hi I notice i m using Astra WordPress Theme. They have an update today from version 1.8.5 to version 1.8.6. After I updated the theme I notice that Ajax Search Pro no longer works.
I am also using elementor to create my homepage. When I put put in Ajax Search as a widget it does not show at all.
Rolling back the plugin will not work, as you will have to roll back the databases as well as the files. I would rather recommend trying a full plugin reset then deleting the plugin via the plugin manager, and installing again. I suspect there might be missing/corrupted file somewhere.
If that does not do anything, then please add a temporary back-end access as well. I will try to activate and see what exactly is happening there.