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 ('139a6a8917d1643cc19cbd1386d0704b', -1, 1763902822, 1763902822, 'd849d838', -4, 0, 0)

Line : 187
File : sessions.php