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 ('dbb3680d080e1b6ba70d6b8dd49b02b4', -1, 1758046367, 1758046367, 'd849d828', 6, 0, 0)

Line : 187
File : sessions.php