phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8af1b6006d7cdeefb0dcaf77c680a668' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8af1b6006d7cdeefb0dcaf77c680a668', -1, 1765653773, 1765653773, 'd849d89e', 6, 0, 0)

Line : 187
File : sessions.php