I can't open "Software & Updates" tool

Trisquel 8 for amd64

Sáb, 01/29/2022 - 02:10

Automatically closed -- issue fixed for 2 weeks with no activity.

Sáb, 01/15/2022 - 02:07
Dom, 04/30/2017 - 23:08

It is already fixed in new version.

Mié, 02/08/2017 - 00:59

Command add-apt-repository is missing as well.
Both issues must be related to the missing package software-properties which is not available in the repos.