phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4bd3d55e0140b6faf4a16c7e14657a84' 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 ('4bd3d55e0140b6faf4a16c7e14657a84', -1, 1766820877, 1766820877, 'd849d89f', 5, 0, 0)

Line : 187
File : sessions.php