Uncaught exception thrown in session handler.

PDOException: SQLSTATE[HY000]: General error: 1114 The table 'sessions' is full: INSERT INTO {sessions} (sid, ssid, uid, cache, hostname, session, timestamp) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2, :db_insert_placeholder_3, :db_insert_placeholder_4, :db_insert_placeholder_5, :db_insert_placeholder_6); Array ( [:db_insert_placeholder_0] => mZNN7xv-U4-4P2JD5e2wHf3rci_1Gcl6jRBTHg6VeJw [:db_insert_placeholder_1] => [:db_insert_placeholder_2] => 0 [:db_insert_placeholder_3] => 0 [:db_insert_placeholder_4] => 216.73.216.111 [:db_insert_placeholder_5] => NThFIHYFq48t0oL_Uj-X9ZIGgxP1YcHMehObrdk5xWCSu79muGZHYRBnqXHHTo9K8r8A9byYdwR_A4vWfXWC4w.. [:db_insert_placeholder_6] => 1766698009 ) in _drupal_session_write() (line 209 of /var/www/esely.zsvszi.hu/includes/session.inc).