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 ('eac9596d17681ca3200dace497df36e9', -1, 1739986740, 1739986740, '126109af', 8, 0, 0)

Line : 187
File : sessions.php