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 ('161a4a08f48aca4ba7f4e40f1fa2ac98', -1, 1752752551, 1752752551, '12610e57', -11, 0, 0)

Line : 187
File : sessions.php