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 ('f8426be77617385d6ab32166f974f498', -1, 1752754632, 1752754632, '12610e57', -8, 0, 0)

Line : 187
File : sessions.php