phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '01b9f986be1da0ce7bd2a379b9eacc99' 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 ('01b9f986be1da0ce7bd2a379b9eacc99', -1, 1766145986, 1766145986, 'd849d89f', 5, 0, 0)

Line : 187
File : sessions.php