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 ('fce1de030bd43e5491da4f5e21ea1d84', -1, 1778675800, 1778675800, 'd849d8b8', 3, 0, 0)

Line : 187
File : sessions.php