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 ('140eebbc18cd1f9bfed296dbc8109cb9', -1, 1462055665, 1462055665, '36e2d1ff', -1, 0, 0)

Line : 187
File : sessions.php