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 ('60c0a9b544f1d2e4627d2ae4cea46a2b', -1, 1763648918, 1763648918, 'd849d834', 7, 0, 0)

Line : 187
File : sessions.php