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 ('8b8a4b95291cd27f9c0e279751a39422', -1, 1773490962, 1773490962, 'd849d857', -4, 0, 0)

Line : 187
File : sessions.php