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 ('7b45442c6f86ae41bb3f84f93692686b', -1, 1764657242, 1764657242, 'd849d88b', -4, 0, 0)

Line : 187
File : sessions.php