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 ('2cf4799083150ab6ac000a168ddb22d1', -1, 1406637787, 1406637787, '36c449da', -1, 0, 0)

Line : 189
File : sessions.php