phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './daforum_ygmh1/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 ('d531a75657073decb3a6dd45f4e5b6ec', -1, 1408517302, 1408517302, 'ccecff45', -1, 0, 0)

Line : 172
File : sessions.php