phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './illustra_phpbb1/phpbb_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('e7a5a11c1d30a011b510dc471dcf6c49', -1, 1412092185, 1412092185, '1716d97a', -1, 0, 0)

Line : 187
File : sessions.php