phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 144 Table './schradthp/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 ('811e21ac4d5fea1e222c80d88a713e90', -1, 1711644999, 1711644999, 'ac100116', 13, 0, 0)

Line : 192
File : sessions.php