phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6e9e0eff4c0a35b5f854de5c53984f7f' 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 ('6e9e0eff4c0a35b5f854de5c53984f7f', -1, 1768363060, 1768363060, 'd849d871', 5, 0, 0)

Line : 187
File : sessions.php