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 ('c1926269bcd71993578b5401e08571b1', -1, 1711701010, 1711701010, '03ed1852', -7, 0, 0)

Line : 187
File : sessions.php