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 ('a1987075aab27db54e72fce94f67aba4', -1, 1711707854, 1711707854, '2cd31c5c', -4, 0, 0)

Line : 187
File : sessions.php