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 ('50c12380e708c44d6a248e127e926eb4', -1, 1736916823, 1736916823, '12740dc0', -9, 0, 0)

Line : 187
File : sessions.php