phpBB : Erro Crítico

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO f_activesessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9a5c4ecc3566bd222489d841f486efd0', -1, 1764122932, 1764122932, 'd849d81b', 8, 0, 0)

Line : 187
File : sessions.php