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 ('564591e68a82a75733aa3b6908af4207', -1, 1711718680, 1711718680, '0355a777', 0, 0, 0)

Line : 187
File : sessions.php