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 ('a98c602fd9961e4dfa768448ef045130', -1, 1762170425, 1762170425, 'd849d899', -4, 0, 0)

Line : 187
File : sessions.php