phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9279e3b841dce544cc6980b2b08f7864' 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 ('9279e3b841dce544cc6980b2b08f7864', -1, 1758081754, 1758081754, 'd849d87c', -2, 0, 0)

Line : 187
File : sessions.php