phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3cffae8c854da8345337cd1f18bde0a2' 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 ('3cffae8c854da8345337cd1f18bde0a2', -1, 1765695500, 1765695500, 'd849d89e', 3, 0, 0)

Line : 187
File : sessions.php