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 ('3b49f2a01e8ed4f353e3053709810e57', -1, 1711705959, 1711705959, '12ce4ca0', 1, 0, 0)

Line : 187
File : sessions.php