phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 145 Table './myforum/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 ('cd664fc59c12aeec6262a01ea8c2c954', -1, 1779725099, 1779725099, 'd849d865', -9, 0, 0)

Line : 187
File : sessions.php