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 ('250f591dad7f50b72f730272787ae7ad', -1, 1711708806, 1711708806, '03dbe936', -10, 0, 0)

Line : 187
File : sessions.php