Hi Dear All,
i use Kali 64-bit, OS Debian 10x64-bit. i used to update and upgrade kali packages smoothly without facing errors. on a sudden recently i am experiencing an issue when i run apt-get update. i get the following outcome result after running update command: can sombody assist to resolve this issue please?

root@kali:~# apt-get update
Hit:1 http://old.kali.org/kali sana InRelease
Get:3 http://deb.i2p2.no unstable InRelease [287 B]
Err:3 http://deb.i2p2.no unstable InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Get:2 http://kali.itsec.am/kali kali-rolling InRelease [30.5 kB]
Get:4 http://kali.itsec.am/kali kali-rolling/main Sources [14.0 MB]
Get:5 http://kali.itsec.am/kali kali-rolling/main amd64 Packages [17.7 MB]
Reading package lists... Done
E: Failed to fetch http://deb.i2p2.no/dists/unstable/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: The repository 'http://deb.i2p2.no unstable 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.