I'm new to wordpress and I have no code information. I encountered an error in the log file that I did not perform. Who can do how. Have I been attacked?

[17-Apr-2020 20:35:55 UTC] require('wp-blog-header.php'), wp, WP->main, WP->query_posts, WP_Query->query, WP_Query->get_posts tarafından oluşturulan SELECT SQL_CALC_FOUND_ROWS  wp_posts.ID FROM wp_posts  WHERE 1=1  AND (((wp_posts.post_title LIKE '%