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 ('750e6f805fcf06feb17e0675fd27e812', -1, 1466837543, 1466837543, '36c60759', -1, 0, 0)

Line : 187
File : sessions.php