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 ('996abfa68e54491c5a90e5d9614e9ea8', -1, 1762749002, 1762749002, '12610e5a', 7, 0, 0)

Line : 187
File : sessions.php