Hi,
Selecting a primary category for a post isn’t a feature or functionality that comes from the Yoast SEO plugin, so we’re not sure if this is caused by the plugin.
However, if you believe that that is being caused as a conflict with the Yoast SEO plugin, 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.
Unfortunately, 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.
Plugin Support
Jerlyn
(@jerparx)
Closed due to inactivity.