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 ('9a0c9f43e6f3af566d5e6b73e1c0697f', -1, 1711711507, 1711711507, '36c46a6a', 1, 0, 0)

Line : 187
File : sessions.php