SQLSTATE[08004] [1040] Too many connections (Connection: mysql, SQL: select `articles`.`id`, `slug`, `title` from `articles` inner join `article_related` on `articles`.`id` = `article_related`.`related_id` where `category_id` in (22) and `published` = 1 and `articles`.`deleted_at` is null group by `articles`.`id` order by `articles`.`rank` desc)