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 ('79c1a364999ab9a24e37c36b992a2b8d', -1, 1762168564, 1762168564, 'd849d833', 10, 0, 0)

Line : 187
File : sessions.php