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 ('326533c346fe5e0b188764f69c97cd45', -1, 1752226965, 1752226965, 'd849d8ad', 6, 0, 0)

Line : 187
File : sessions.php