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 ('ebf0d1e19f123fc32c1c1529d676d0d9', -1, 1409430631, 1409430631, '36d3a484', -1, 0, 0)

Line : 189
File : sessions.php