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 ('efc524164e2fa74e90aa1d6580f884fb', -1, 1739992925, 1739992925, '126109af', -8, 0, 0)

Line : 187
File : sessions.php