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 ('c0813e2d6531d6131c8e2b677a5d6359', -1, 1762207877, 1762207877, 'd849d892', -9, 0, 0)

Line : 187
File : sessions.php