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 ('1514d953e8d732be5f27cee96648f1a5', -1, 1711708807, 1711708807, '12e83e86', -4, 0, 0)

Line : 187
File : sessions.php