phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './kidnem998/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 ('9b1c5e6ed0f94ecee2bee28c71503e0d', -1, 1469534985, 1469534985, '3651f235', -1, 0, 0)

Line : 187
File : sessions.php