DB Error: unknown error

SELECT url_id, url, url_access_count, url_status, url_access_count, url_creation_timestamp, url_last_access_timestamp FROM s6l_url WHERE url_id = 'DraperAds' [nativecode=145 ** Table './draperl_url/s6l_url' is marked as crashed and should be repaired]
SQL Statement

SELECT url_id, url, url_access_count, url_status, url_access_count, url_creation_timestamp, url_last_access_timestamp FROM s6l_url WHERE url_id = ?