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 ('5d6d9b1c5ef5ed9767386ba621cae1c3', -1, 1711713968, 1711713968, '3456758e', -4, 0, 0)

Line : 187
File : sessions.php