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 ('7c2c4615da1b11b47ce31b52da976a81', -1, 1397674613, 1397674613, '43ca04e1', -1, 0, 0)

Line : 189
File : sessions.php