Hello @london4ik,
I fully examined the issue you have raised on this topic and could not see it on my end.
How can we replicate your steps to arrive at the issue on a fresh WordPress installation?
You can upload your files to one of the following online services:
https://postimages.org
https://loom.com
https://drive.google.com
https://wetransfer.com
https://dropbox.com
Or any other service you know.
Perhaps the issue is in redirecting; the URL you sent has a 404 error: https://postimg.cc/vD6DKHZK.
And when I try to open this link: https://sport-plus.by/?s=шорты, it will redirect me to this URL: https://sport-plus.by/glavnaya/?s=шорты.
How does this redirect work on your site? And if you can disable it once and inform us of the result.
For troubleshooting, please do the following steps and let me know the results:
0. Enable the primary theme(if you are using a child theme).
1. Head over to WP Dashboard > Plugin.
2. Deactivate all plugins.
3. Then, first, activate the Ocean Extra plugin.
4. Check your issue.
5. Then, activate your plugins one by one
6. After activation of any plugins, check your issue
Note 1: You can try troubleshooting on the staging website/or on a fresh installation.
Note 2: if you have any cache plugin or server cache(CDN / Browser Cache and Cookies and …), you need to clear its cache contents or disable them to see your changes. Also, remember to click on the regenerate all assets file and data in Elementor > Tools(if you have Elementor).
Best Regards