phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './bilyar_phpb1/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 ('21d685db1a1f72603adaa6b49c3571c8', -1, 1422609594, 1422609594, '3690ec0c', 0, 0, 0)

Line : 187
File : sessions.php