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 ('f554d303207e37a2cec76257678a5ee8', -1, 1711712544, 1711712544, '22e64d43', -11, 0, 0)

Line : 187
File : sessions.php