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 ('c1c6cd5ba3d56b8f04eed010242f8eff', -1, 1761848891, 1761848891, 'd849d867', -9, 0, 0)

Line : 187
File : sessions.php