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 ('d73ade257a350879e6c0f4e9a20e9a3f', -1, 1767826643, 1767826643, 'd849d802', 1, 0, 0)

Line : 187
File : sessions.php