phpBB : Erro Crítico

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1cfac3c3b970d8484b6b9159f92c329' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a1cfac3c3b970d8484b6b9159f92c329', -1, 1711706744, 1711706744, '2cd3f3be', 17, 0, 0)

Line : 187
File : sessions.php