Uncaught exception thrown in session handler.

PDOException: SQLSTATE[HY000]: General error: 144 Table './dshiugansk/sessions' is marked as crashed and last (automatic?) repair failed: SELECT 1 AS expression FROM {sessions} sessions WHERE ( (sid = :db_condition_placeholder_0) AND (ssid = :db_condition_placeholder_1) ); Array ( [:db_condition_placeholder_0] => BMcyNbFc8jj-XZucoHlS9A0Ik5e1Mm5pNOJ0Pu3Rinw [:db_condition_placeholder_1] => ) in _drupal_session_write() (line 209 of /var/www/intera/data/www/dshiugansk.ru/includes/session.inc).