Error Duplicate key name ‘rpp_title’ de la base de datos de WordPress para la consulta ALTER TABLE wp_posts ADD FULLTEXT rpp_title (post_title) realizada por activate_plugin, do_action(‘activate_related-posts-pro/related-posts-pro.php’), call_user_func_array, rppInit->rpp_activate, rppInit->fulltext, wpdreams_fulltext->createIndexes
When disable and enable plugin have this error in logs. Not check if exists table.