Query failed:
SELECT multilingual_body.value AS multilingual_body, multilingual_extended.value AS multilingual_extended, multilingual_title.value AS multilingual_title, ep_sticky.value AS orderkey, e.id, e.title, e.timestamp, e.comments, e.exflag, e.authorid, e.trackbacks, e.isdraft, e.allow_comments, e.last_modified, a.realname AS author, a.username AS loginname, a.email , e.body, e.extended FROM serendipity_entries AS e LEFT JOIN serendipity_authors a ON e.authorid = a.authorid LEFT JOIN serendipity_entrycat ec ON e.id = ec.entryid LEFT JOIN serendipity_category c ON ec.categoryid = c.categoryid LEFT OUTER JOIN serendipity_entryproperties multilingual_body ON (e.id = multilingual_body.entryid AND multilingual_body.property = 'multilingual_body_en') LEFT OUTER JOIN serendipity_entryproperties multilingual_extended ON (e.id = multilingual_extended.entryid AND multilingual_extended.property = 'multilingual_extended_en') LEFT OUTER JOIN serendipity_entryproperties multilingual_title ON (e.id = multilingual_title.entryid AND multilingual_title.property = 'multilingual_title_en') LEFT OUTER JOIN serendipity_entryproperties ep_no_frontpage ON (e.id = ep_no_frontpage.entryid AND ep_no_frontpage.property = 'ep_no_frontpage') LEFT OUTER JOIN serendipity_entryproperties ep_access ON (e.id = ep_access.entryid AND ep_access.property = 'ep_access') LEFT JOIN serendipity_entryproperties ep_sticky ON (e.id = ep_sticky.entryid AND ep_sticky.property = 'ep_is_sticky') LEFT JOIN serendipity_authorgroups AS acl_a ON acl_a.authorid = 0 LEFT JOIN serendipity_access AS acl_acc ON ( acl_acc.artifact_mode = 'read' AND acl_acc.artifact_type = 'category' AND acl_acc.artifact_id = c.categoryid ) WHERE isdraft = 'false' AND e.timestamp <= 1615170300 AND (ep_access.property IS NULL OR ep_access.value = 'public') AND (ep_no_frontpage.property IS NULL OR ep_no_frontpage.value != 'true') AND ( c.categoryid IS NULL OR ( acl_acc.groupid = 0) OR ( acl_acc.artifact_id IS NULL ) ) GROUP BY e.id ORDER BY orderkey DESC, timestamp DESC LIMIT 5/ Got error 28 from storage engine