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 ('f48ddaaf0d40b93b12bb2e8cc4c985b5', -1, 1783524619, 1783524619, 'd849d94a', 9, 0, 0)

Line : 187
File : sessions.php