phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f8a9dc221e9db6ce33af5ae081cc3baa' 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 ('f8a9dc221e9db6ce33af5ae081cc3baa', -1, 1766236036, 1766236036, 'd849d89f', -9, 0, 0)

Line : 187
File : sessions.php