Any time I try to update my system (running Ubuntu 20.04), I receive an error:
Clearsigned file isn't valid, got 'NOSPLIT'
This is the full output of what I see when I run sudo apt update
in the Terminal:
Hit:1 https://dl.google.com/linux/chrome/deb stable InRelease
Hit:2 https://repo.protonvpn.com/debian stable InRelease
Get:3 http://ro-mirrors.evowise.com/ubuntu focal InRelease [638 kB]
Err:3 http://ro-mirrors.evowise.com/ubuntu focal InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Reading package lists... Done
N: See apt-secure(8) manpage for repository creation and user configuration details.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
E: The repository 'http://ro-mirrors.evowise.com/ubuntu focal InRelease' is not signed.
E: Failed to fetch http://ro-mirrors.evowise.com/ubuntu/dists/focal/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
N: See apt-secure(8) manpage for repository creation and user configuration details.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
E: The repository 'http://ro-mirrors.evowise.com/ubuntu focal-updates InRelease' is not signed.
E: The repository 'http://ro-mirrors.evowise.com/ubuntu focal-security InRelease' is not signed.
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.
How can I fix this?