Categories title = null

This is more details than my post in your forum.

1. If have no child category, category title is = null.
You can check at my blog: https://saungon.com/category/mmo/

2. If have child category, parent category title = child category title:
https://saungon.com/category/wordpress/

First child category: it seem have no problem
https://saungon.com/category/wordpress/thu-thuat-wordpress/

Secound, third child category: title = null
https://saungon.com/category/wordpress/wordpress-plugins/
https://saungon.com/category/wordpress/wordpress-themes/

Hope this bug will be fixed soon.

Thank you for great plugins

Regards,
Sáu Ngón

https://www.ads-software.com/plugins/bubble-seo/