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 ('aa526950940c527714e2a77542bf6640', -1, 1711706417, 1711706417, '2ccc7539', -4, 0, 0)

Line : 187
File : sessions.php