phpBB by Przemo : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './shsrp/phpbb_sessions' is marked as crashed and last (automatic?) repair failed

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('d2fefb5bd7d0047ebaa23d62b6e40cd1', -1, 1770224108, 1770224108, 'd849d8d0', 20, 0, 0)

Line : 444
File : sessions.php