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 ('c84a88b015bc8ebb96b919c2c260f2d2', -1, 1711707741, 1711707741, '0351b8aa', 3, 0, 0)

Line : 187
File : sessions.php