I am also on IONOS - Dedicated - Linux Server ..
Ubuntu 20.04.4 LTS
Plesk Obsidian Version 18.0.41 Update #1, last updated on Feb 8, 2022 06:29 AM
The first post describes the situation!
It is happening to me but not predicable, not everyday, my be a week or a few days.
In addition, I have 4...