phpBB : Erreur Critique

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15b7dddb043d13fe484738692f0bd59c' 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 ('15b7dddb043d13fe484738692f0bd59c', -1, 1757981180, 1757981180, 'd849d87c', -9, 0, 0)

Line : 187
File : sessions.php