Can't load dependent file. dl.flathub.org: name or service not known
I am using parrat distro (debian 64), when i try to install GIMP with the command: flatpak install https://flathub.org/repo/appstream/org.gimp.GIMP.flatpakref
I got the error message: Can't load dependent file https://dl.flathub.org/repo/flathub.flatpakrepoError resolving “dl.flathub.org”: Name or service not known
What can i do?