Cant install cyberpanel not found ubutu 20 LTS

root@cyberpanel:~# sh <(curl https://cyberpanel.net/install.sh || wget -O - https://cyberpanel.net/install.sh)
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1934 100 1934 0 0 8194 0 --:–:-- --:–:-- --:–:-- 8194
curl is already the newest version (7.68.0-1ubuntu2.15).
wget is already the newest version (1.20.3-1ubuntu2).
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
chmod: cannot access ‘cyberpanel.sh’: No such file or directory
/dev/fd/63: 49: ./cyberpanel.sh: not found

run the core update and then try