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 ('33a207d450d713fd2e0bd28f1a6f4c29', -1, 1758199901, 1758199901, 'd849d828', -4, 0, 0)

Line : 187
File : sessions.php