Hello,
That sounds like a plugin or theme conflict. Can you try and gather as much information for us as possible? Please perform the following:
1. Make sure the issue doesn’t persist when Yoast SEO is disabled.
2. Check for conflicts.
3. Check for JavaScript errors with your console.
If you find any JavaScript errors related to Yoast SEO or if there is a conflict with a plugin or a theme, you can create a new GitHub issue for our developers. Please report the issue to a third party developer as well.
If you didn’t find any conflicts or errors, we think the issue is specific to your site. We’d need to investigate further but are unable to do so on these forums. You can purchase Yoast SEO Premium and receive our Premium email support and we can help you further.
In this case, you may need to consult with your webhost to get the server error logs to get more information about what is causing this 500 server error.
on the same server, different site – everything is in good.
Hi,
We understand that on a different site using the same server no errors appear and the plugin works as expected. Were you able to perform that conflict check: https://kb.yoast.com/kb/how-to-check-for-plugin-conflicts/? We ask as another plugin or theme may be affecting Yoast which results in that issue.
If there is a conflict with a plugin or a theme, you can create a new GitHub issue for our developers. Please report the issue to a third party developer as well.
If you didn’t find any conflicts or errors, we think the issue is specific to your site. We’d need to investigate further but are unable to do so on these forums. You can purchase Yoast SEO Premium and receive our Premium email support and we can help you further.
Hello!
Thank you very much for the answer. I tried to do everything according to instructions and it worked.