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 ('86f5d06572876d205816e45b5ae126c1', -1, 1711709588, 1711709588, '2cd66ab8', -2, 0, 0)

Line : 187
File : sessions.php