phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './bhussaay/phpbb3_sessions' is marked as crashed and should be repaired

INSERT INTO phpbb3_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('911d0e303a6a1d1635b6f34d53e38042', -1, 1467262403, 1467262403, '36e0f33c', -4, 0, 0)

Line : 187
File : sessions.php