phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './db_volvoclub/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 ('a15254e17bf11339cc3deb966e09ccbe', -1, 1398063823, 1398063823, '36c445bd', 21, 0, 0)

Line : 189
File : sessions.php