phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 'session_user_id'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('09df52a8a2e3f091ae797d63349e9f66', -1, 1752522229, 1752522229, 'd849d824', 39, 0, 0)

Line : 190
File : sessions.php