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 ('b7d0bd38582bdd2b3f14f38bc8ac1f94', -1, 1765312180, 1765312180, 'd849d8a7', 1, 0, 0)

Line : 187
File : sessions.php