Add-on Node-RED has been removed from the repository it was installed from. This means it will not get updates, and backups may not be restored correctly as the supervisor may not be able to build/download the resources required

Third party integrations Node-RED
1

Add-on Node-RED has been removed from the repository it was installed from. This means it will not get updates, and backups may not be restored correctly as the supervisor may not be able to build/download the resources required.
Why does this happen?

2

UPDATE It was a DNS problem (?), changing the dns solves the issue.
I have the same,
But also for the Visual Studio Add-on
In the Addon overview I’m missing several addons.

I checked another installation and also there something is removed (Samba)

Did you already found a solution ?