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 ('51b2b0f04d85d5e35dad4022add8e99e', -1, 1751959665, 1751959665, 'd849d812', 10, 0, 0)

Line : 187
File : sessions.php