phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './shelter/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 ('729a3c1a30c9f3ba8fc6471d4955c58f', -1, 1493151192, 1493151192, '36e0ccbd', 1, 0, 0)

Line : 187
File : sessions.php