what i am trying to run:
sudo su -c "bash <(wget -qO- https://download.cudo.org/tenants/135790374f46b0107c516a5f5e13069b/5e5f800fdf87209fdf8f9b61441e53a1/linux/x64/stable/install.sh)" root
what error pops up
--2021-03-23 08:41:25-- https://download.cudo.org/keys/pgp/apt.asc
Resolving download.cudo.org (download.cudo.org)... 104.26.10.102, 104.26.11.102, 172.67.69.190, ...
Connecting to download.cudo.org (download.cudo.org)|104.26.10.102|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 3146 (3.1K) [text/plain]
Saving to: ‘STDOUT’
100%[===================>] 3.07K --.-KB/s in 0s
2021-03-23 08:41:25 (64.2 MB/s) - written to stdout [3146/3146]
Hit:1 http://in.archive.ubuntu.com/ubuntu focal InRelease
Hit:2 http://in.archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:3 https://dl.winehq.org/wine-builds/ubuntu focal InRelease
Hit:4 http://in.archive.ubuntu.com/ubuntu focal-backports InRelease
Hit:5 https://brave-browser-apt-release.s3.brave.com stable InRelease
Ign:6 http://ppa.launchpad.net/langdalepl/gvfs-mtp/ubuntu focal InRelease
Hit:7 http://deb.anydesk.com all InRelease
Hit:8 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:9 http://dell.archive.canonical.com focal InRelease
Hit:10 http://security.ubuntu.com/ubuntu focal-security InRelease
Ign:11 http://ppa.launchpad.net/samoilov-lex/aftl-stable/ubuntu focal InRelease
Hit:12 https://download.cudo.org/repo/apt stable InRelease
Err:13 http://ppa.launchpad.net/langdalepl/gvfs-mtp/ubuntu focal Release
404 Not Found [IP: 91.189.95.85 80]
Hit:14 https://debrepo.freedownloadmanager.org bionic InRelease
Err:15 http://ppa.launchpad.net/samoilov-lex/aftl-stable/ubuntu focal Release
404 Not Found [IP: 91.189.95.85 80]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/langdalepl/gvfs-mtp/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ppa.launchpad.net/samoilov-lex/aftl-stable/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.```
What have i tried:
