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 ('c6bce0049d429dda28a79e581da71c09', -1, 1711710945, 1711710945, '3653b065', -2, 0, 0)

Line : 187
File : sessions.php