Are you been to Google Search Settings? Do you want to change some of those settings like the number of results per page, your geographic region or any other settings, for your kind info they would not work?
Reacting to this issue, Google’s John Muller tweeted that Google knows this issue and is working to fix it. Of course, this is currently not working properly.
If he has to be believed, they are receiving a lot of questions about that bug and are working to fix it and advised users to wait.