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 ('ba9b83565e974eb325fd56750f7c1023', -1, 1711711915, 1711711915, '2cc08155', -2, 0, 0)

Line : 187
File : sessions.php