release file

Hello, I have two Plesk server: Plesk Obsidian Web Host Edition / Version 18.0.51 Version Plesk Obsidian v18.0.51_build1800230310.09 os_Ubuntu 20.04 OS Ubuntu 20.04.6 LTS A few days ago, I started to receive update failure email notification each day: For the first serveur: And the...