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 ('9d723c2e5e68f63b86f02c6f8bc716aa', -1, 1711708704, 1711708704, '2cdf28ff', 0, 0, 0)

Line : 187
File : sessions.php