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 ('76e7395160e7603bc58d7ce0ee0a3daf', -1, 1752796471, 1752796471, 'd849d8e1', 10, 0, 0)

Line : 187
File : sessions.php