AMP Update not working - Repository issue

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OS Name/Version:

Product Name/Version: (Always use the full version number - not ‘Latest’)

Problem Description:

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Steps to reproduce:

  • sudo apt update
  • repository error
  • repo.cubecoders debian/ ampinstmgr 2.4.6.4 404 not found

Actions taken to resolve so far:

The AMP instance manager command line tools are out of date. You are currently running 2.4.3.6 but the minimum required version is 2.4.5.0. Upgrading is required to continue using AMP due to changes in how AMP handles updates and manages instances. Continuing to use AMP without upgrading your system tools carries a high risk of causing damage to your installation.

Initially I was trying to just update minecraft server to 1.21 fabric. However, upon updating I’m getting an error that java is out of date even though I have the latest version installed. So now I’m trying to make sure the instance and interface mangaer are up to date (see error above).

However when I try to run sudo apt update. I get the following error:

E: Failed to fetch JFrog Landing Clearsigned file isn’t valid, got ‘NOSPLIT’ (does the network require authentication?)
E: The repository ‘JFrog Landing bullseye InRelease’ is no longer 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.
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: debian/ InRelease: The following signatures were invalid: Michael Biggins

Same problem here. Running Ubuntu 20.04.

Tried the following, without any success so far :

wget -O /usr/share/keyrings/repo.cubecoders.com.gpg https://repo.cubecoders.com/archive.key

when running apt update, I’m getting this error :

An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://repo.cubecoders.com debian/ InRelease: The following signatures were invalid: EXPKEYSIG 33FB60CD1A773489 Michael Biggins <admin@cubecoders.com>

You can run bash <(wget -qO- getamp.sh) addRepo as root to update the repo key

After running that and trying to update again I get the following two errors:

E: Failed to fetch JFrog Landing Clearsigned file isn’t valid, got ‘NOSPLIT’ (does the network require authentication?)
E: The repository ‘JFrog Landing bullseye InRelease’ is no longer signed.

AMP doesn’t use JFrog as far as I’m aware

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