DB Error: selectSingle query failed

SELECT DISTINCT jedu2_articles.*, jedu2_article_versions.id AS version_id, jedu2_article_versions.title, jedu2_article_versions.subtitle, jedu2_article_versions.uri, jedu2_article_versions.excerpt, jedu2_article_versions.body, jedu2_article_versions.lang_id, jedu2_article_versions.yt_video, jedu2_article_versions.published AS is_published, jedu2_article_states.value_cs AS state, jedu2_article_versions.title AS name, jedu2_article_versions.excerpt AS meta_description FROM jedu2_articles LEFT JOIN jedu2_article_versions ON jedu2_articles.id = jedu2_article_versions.article_id LEFT JOIN jedu2_article_category_relations ON jedu2_articles.id = jedu2_article_category_relations.article_id LEFT JOIN jedu2_article_tag_relations ON jedu2_articles.id = jedu2_article_tag_relations.article_id LEFT JOIN jedu2_article_states ON jedu2_article_states.id = jedu2_articles.state_id WHERE uri = 'prodam-malarone2-baleni'

Got error 28 from storage engine