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 ('9262759dd8c4b0e182267fed83d9260a', -1, 1762158052, 1762158052, 'd849d885', -9, 0, 0)

Line : 187
File : sessions.php