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 ('d9922de218820a99f61612b80715dd01', -1, 1736928478, 1736928478, '12610e56', 8, 0, 0)

Line : 187
File : sessions.php