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] => b1Knz-YZ79cK7lbdftPv0Jopl9bn7Kx8TBU_MAnoaCg [:db_insert_placeholder_1] => [:db_insert_placeholder_2] => 0 [:db_insert_placeholder_3] => 0 [:db_insert_placeholder_4] => 178.63.119.125 [:db_insert_placeholder_5] => 1nDtpQIlWj1BsRW8BIzMruWkGcrVWmN7V6gqkDI5edxn6GH36pQwCXwYQCrh3Q1BPkWqCNubeu8uWgfVnhGV1w.. [:db_insert_placeholder_6] => 1766743200 ) in _drupal_session_write() (line 209 of /var/www/esely.zsvszi.hu/includes/session.inc).