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 ('1855ac473aa3131da0fc0ff78487049b', -1, 1414727646, 1414727646, '36a1b531', -1, 0, 0)

Line : 189
File : sessions.php