phpBB : Erreur critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b658f1a41b71edda1e3bb4a112123524' for key 1

INSERT INTO sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in) VALUES ('b658f1a41b71edda1e3bb4a112123524', -1, 1231305270, 1231305270, '26673f39', 0, 0)

Line : 129
File : sessions.php