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 ('11feea38367949520e8e620c6a71d17e', -1, 1762214408, 1762214408, 'd849d892', 1, 0, 0)

Line : 187
File : sessions.php