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 ('85406e8efb6cf2ac254da929d4f8be21', -1, 1758132121, 1758132121, 'd849d828', 1, 0, 0)

Line : 187
File : sessions.php