phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './assoc_phpbbv2/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 ('0a09c64790560b2236af4ff9b0bba631', -1, 1397981693, 1397981693, '6b1646d7', 47, 0, 0)

Line : 187
File : sessions.php