phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './provan_adultitpforum/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 ('cb770fad79cc0fddf6fc008dc2ab57dc', -1, 1406645108, 1406645108, '36598aee', 6, 0, 0)

Line : 187
File : sessions.php