phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9f88a6a7597d2d18c29487a1d8e3dfe' 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 ('c9f88a6a7597d2d18c29487a1d8e3dfe', -1, 1714307471, 1714307471, '12df9fc3', -7, 0, 0)

Line : 187
File : sessions.php