phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './fishtalk/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 ('deb7142d6d22e86454739f18da18a7a6', -1, 1406827993, 1406827993, '36cdb317', -1, 0, 0)

Line : 189
File : sessions.php