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 ('ad91746c64bdf1feea2b84f1e92a7f7c', -1, 1711706921, 1711706921, '2cc56cbb', 7, 0, 0)

Line : 187
File : sessions.php