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 ('8e9ef7e09e74c2da69a2d4c2e00e9386', -1, 1748046988, 1748046988, '340faec8', -9, 0, 0)

Line : 187
File : sessions.php