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 ('5bde78ef0f3ef9bb1740f3b4be9231a5', -1, 1711713762, 1711713762, '12e8233e', -4, 0, 0)

Line : 187
File : sessions.php