Upgrade of Pro Failed to fetch http://www.eve-ng.net

[kiteboy]

Platform ESXi 6.7.0
EVE-NG version: 2.0.6-58-PRO
QEMU version: 2.4.0
UKSM Status: OFFON
CPU Limit Status: OFFON
Role: admin
POD: 0


Trying to upgrade from version 2.x I immediately hit errors , should I attempt to proceed with these errors. , Thanks



- External repositories are no supported ( only ubuntu and eve-ng are valids )
type yes to continue: yes
Hit:1 http://us.archive.ubuntu.com/ubuntu xenial InRelease
Hit:2 http://security.ubuntu.com/ubuntu xenial-security InRelease
Hit:3 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:5 https://esm.ubuntu.com/infra/ubuntu xenial-infra-security InRelease
Hit:6 https://esm.ubuntu.com/infra/ubuntu xenial-infra-updates InRelease
Err:4 http://www.eve-ng.net/repo xenial InRelease
Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
Fetched 96.1 kB in 1s (75.8 kB/s)
Reading package lists... Done
E: Failed to fetch http://www.eve-ng.net/repo/dists/xenial/InRelease Clearsigned file isn't valid, got 'NOSPLIT' (does the network require authentication?)
E: Some index files failed to download. They have been ignored, or old ones used instead.

[Uldis (UD)]

Xenial Ubuntu 16.04 is deprecated version, and such upgrade is not possible